Best Pool Cleaning Service Long Beach CA: Our Top Pick

Near Long Beach City College, Adam's Pool and Spa Service delivers pool cleaning service that catches algae blooms and chemistry drift before they shut a pool down.

Why %%!%%9aadd78e-0.33-4f62-ba34-8ae7c2025890%%!%% cadence issues more than you think

A as soon as-a-week consult with sounds fundamental, however the devil hides between appointments. In past due spring, algae can cross from innocuous tint to full bloom in 48 hours. A capable Pool cleaning %%!%%9aadd78e-1/3-4f62-ba34-8ae7c2025890%%!%% near me mind-set ought to ingredient in seasonal tweaks: biweekly enzyme dosing in the course of height sunscreen season, optional midweek skimmer basket tests after wind parties, and wise pump programming that doesn’t depend on a human exhibiting as much as fix the day prior to this’s weather.

I retain two different types of notes: chemical glide and particles patterns. If your free chlorine drops greater than 2 ppm between visits in July, you want either a bump in stabilizer, an extended pump run, or a supplemental chlorinator schedule. If your skimmer basket fills midweek, ask for a bigger-means basket or a net canopy in the time of windy months. A sharp Pool cleansing %%!%%9aadd78e-third-4f62-ba34-8ae7c2025890%%!%% Long Beach CA professional thinks like this beforehand you ask.

What “terrific” looks like in practice

There’s no unmarried metric for the Best Pool cleansing %%!%%9aadd78e-1/3-4f62-ba34-8ae7c2025890%%!%%. It’s a pattern of small, different behaviors that prevent cash and complications.

Here is a immediate, realistic listing you may use whilst comparing any Pool cleaning %%!%%9aadd78e-0.33-4f62-ba34-8ae7c2025890%%!%%:

• They run a full experiment kit on site, no longer just dip strips, and log readings that you can test later.
• They %%!%%9aadd78e-1/3-4f62-ba34-8ae7c2025890%%!%% the filter on a agenda depending on strain differentials, not vague periods.
• They proactively investigate for leaks, wiring corrosion, and failing o-rings, and flag things until now they become Pool Repair calls.
• They modify for Long Beach circumstances: salt air, top solar, and wind-pushed debris, with seasonal tweaks.
• They talk in reality, preferably with pictures and notes after each and every visit.

That final point does more than soothe tension. It creates a list. When a heater mistakes pops up or your salt mobilephone begins underperforming, these notes guide a technician diagnose in minutes instead of billable hours.

The case for Adam’s Pool and Spa Service

Let’s get to the headline: Adam’s pool and spa %%!%%9aadd78e-third-4f62-ba34-8ae7c2025890%%!%% sits on the higher of my checklist for Pool cleaning %%!%%9aadd78e-1/3-4f62-ba34-8ae7c2025890%%!%% Long Beach when you consider that they mix ancient-faculty craft with state-of-the-art duty. I’ve viewed their crews work in Bixby Knolls, Lakewood Village, Bluff Heights, and down alongside Ocean Boulevard. The widely wide-spread thread is interest to aspect that shows up a month later, no longer just the day they seek advice from.

A few telltale behaviors stand out:

• They don’t chase pH. They stabilize it. That method balancing alkalinity first, then dialing in acid additions so you aren’t yo-yoing from 7.2 to 7.eight every week.
• On salt swimming pools, they hinder salt cells clear by means of staying ahead of scale. Instead of soaking cells in acid too probably, which shortens lifespan, they cope with calcium hardness and saturation index so the mobile remains refreshing longer. I’ve noticeable salt cells stretch from the primary three to four years to 5 plus thanks to that system.
• Their kit exams are surgical. Loose bonding wire? They seize it. Early sign of a weeping pump seal? Flagged and quoted until now it melts a bearing.

Communication facilitates seal the deal. After every one discuss with, they depart notes with accurate numbers: https://norma-triangle-ca-wh464.raidersfanteamshop.com/seasonal-pool-cleaning-service-in-long-beach-spring-startup-to-winter-prep loose chlorine, combined chlorine, pH, complete alkalinity, calcium hardness, cyanuric acid, salt degree if appropriate. If you prefer virtual logs, they offer them. That level of documentation topics whenever you ever desire to point out guaranty compliance for a heater or a variable-speed pump.

What awesome %%!%%9aadd78e-1/3-4f62-ba34-8ae7c2025890%%!%% prevents that you simply on no account see

The first-class Pool cleaning %%!%%9aadd78e-0.33-4f62-ba34-8ae7c2025890%%!%% does its magic by way of combating difficulties one can never need to learn about the rough approach. Three examples from my notebooks:

First story: a Naples island pool started out chewing using heater igniters each and every 9 to three hundred and sixty five days. The tech from Adam’s observed a rather top salt interpreting and a roughness less than the tile line. Calcium saturation index trended helpful. Scaling inside the heat exchanger turned into insulating the steel, elevating floor temps, and cooking the igniters rapid. They rebalanced calcium hardness and pH, cleaned the exchanger, and the heater ran 3 winters with out a alternative phase.

Second tale: a yard with beneficiant palm timber close to Cal State Long Beach had persistent cloudy water in spite of good chlorine. The tech determined clogged skimmer weirs and a hairline crack inside the pump lid allowing microbubbles and decreasing filtration potency. Adam’s changed the lid, swapped the hampers for high-skill variants, and brought a clarifier merely for two visits. Water returned to that glassy glance, and the owner stopped ordering magical potions online.

Third tale: a saltwater system with fake low-salt warnings and a annoyed proprietor dumping in heaps of kilos of salt. Adam’s meter showed appropriate salinity, which meant the cellular telephone sensor was tired. They reprogrammed the automation to learn from an external probe and changed the mobile on a time table earlier the board failed, saving the owner from a top-season emergency.

None of those fixes really feel dramatic. They feel competent. That’s the aspect.

How Pool Repair fits into the larger picture

Even with pristine chemistry, gear at last a while out. Bearings grind, seals leak, sensors drift. Pool Repair Long Beach is its very own craft. The equal crew that exams your water should still also be aware of tips on how to rebuild a pump, swap a multiport valve, rewire a manipulate panel, and commission a heater. When %%!%%9aadd78e-third-4f62-ba34-8ae7c2025890%%!%% and restoration are siloed, you get finger pointing. When they’re included, small problems transform comfortable maintenance.

For Pool Repair close me, I search for those marks of competence: a certified technician who can take care of both electrical and plumbing aspects, familiarity with the generic manufacturers on our coast, and transparent exertions prices which can be written, no longer verbal. Adam’s pool and spa %%!%%9aadd78e-1/3-4f62-ba34-8ae7c2025890%%!%% assessments these packing containers. They manage Pool Repair Long Beach CA jobs from clear-cut seal kits to automation panel updates, they usually provide expense tiers up entrance. Variable-speed pump replacement? Expect a discussion on drift premiums, vitality codes, and the way your plumbing honestly moves water, no longer only a “we’ll slap in a 2.7 HP for the reason that that’s what’s on the truck.”

What you may want to anticipate in a pursuits visit

A frequent Pool cleansing %%!%%9aadd78e-0.33-4f62-ba34-8ae7c2025890%%!%% should still do greater than leaf-gathering and a chlorine splash. A right weekly or biweekly forestall in Long Beach frequently seems like this:

• Water try with a drop-depending kit, recording unfastened and mixed chlorine, pH, total alkalinity, calcium hardness, and cyanuric acid, plus salt degrees on SWG swimming pools.
• Skimmer and pump basket cleanout, with recognition to weirs and lid o-rings. Sand-grit on o-jewelry? Wipe and lube, or you’ll be changing lids upfront.
• Vacuuming and brushing, no longer simply one or the opposite. Algae starts as a biofilm that a broom disrupts a ways larger than a vacuum alone.
• Filter fee. If it’s a DE filter out, they watch drive and bump or backwash best whilst necessary. Cartridge filters get cleaned while strain rises eight to 10 psi over sparkling baseline, now not when the calendar says so. Sand filters want an definitely water readability overall, no longer blind faith in backwashing.
• Equipment inspection. Look for drips underneath unions, white crust close to fittings that signs sluggish leaks, heater exhaust anomalies, and any blunders lighting fixtures on automation. Quick fixes as of late, not next week.

The intangible is rhythm. You can inform while a tech moves simply by a yard with a mental record. Adam’s crews deliver that rhythm. It’s now not flashy, however swimming pools reply.

Pricing, contracts, and the myth of lower priced clarity

Let’s dialogue cash. A reasonable worth for weekly %%!%%9aadd78e-third-4f62-ba34-8ae7c2025890%%!%% in Long Beach is dependent on pool dimension, particles load, and methods complexity. Expect a baseline that covers chemistry and universal vacuuming, with surcharges for heavy leaf seasons or put up-typhoon recoveries. If a quote appears too low, ask what’s missing. Common omissions: conditioners and forte chemical substances, filter cleanings, salt mobilephone inspections, and midseason phosphate remedies.

Contracts aren’t evil. They secure either facets. Good %%!%%9aadd78e-third-4f62-ba34-8ae7c2025890%%!%% agreements embody scope of work, discuss with frequency, emergency seek advice from rates, vacation schedules, and how they deal with get entry to disorders. Adam’s pool and spa %%!%%9aadd78e-third-4f62-ba34-8ae7c2025890%%!%% writes clean scopes, and that they’re open approximately accessories. If your pool demands an early-season filter out teardown after a windy week, it’s at the expense sheet, not an disagreeable shock.

Saltwater as opposed to average chlorine, in factual Long Beach terms

There’s no widely used winner, simply more advantageous matches. Saltwater structures are wide-spread close to the sea coast for a reason why. Water feels softer, and regular, low-level chlorine generation can preserve algae in determine even if the solar is punishing. The tradeoff, in case you forget about water stability, is scale on cells and warmers, and corrosion on less costly hardware. Traditional chlorine dosing is simple and effective, in particular in smaller swimming pools devoid of rather a lot of bather load, but you’ll babysit phases extra all through warmness waves.

Adam’s helps either. What I like is their frankness. I’ve heard them steer a small, shaded pool faraway from salt to shop bills, and recommend salt on a heavy-use relations pool to even out chlorine start in July. That’s not upselling, that’s tailoring.

The mid-summer gauntlet: sunscreen, events, and height UV

A July barbeque can dump ten times the healthy load of an strange week. If your Pool cleaning %%!%%9aadd78e-third-4f62-ba34-8ae7c2025890%%!%% Long Beach CA agenda doesn’t flex, you’ll get clouding and blended chlorine. You can take care of this proactively. Ask for an enzyme dose sooner than full-size gatherings. Extend pump run occasions into overdue afternoon whilst sunscreen oils hit the skimmer. For salt swimming pools, bump the percentage quickly. Adam’s crews will nudge the ones settings for you and reset after, which beats status ankle-deep with a flock of company and a bottle of shock to your hand.

Reading your pool like a pro

Your tech handles the heavy lifting, however just a little remark among visits can pay dividends. Keep a watch on:

• Pressure gauge creep. If your filter pressure slides up 2 to a few psi in a week, provide your %%!%%9aadd78e-third-4f62-ba34-8ae7c2025890%%!%% a heads-up until now it turns into a lazy return float.
• Return jet vigour. Weak jets signal a clog, grimy filter, or a pump wasting superior. Catch it early and a immediate smooth suffices.
• Surface sheen. A obvious rainbow film in many instances method sunscreen or oils. A skimmer sock for about a days and a little bit of enzyme helps to keep it from pushing into cloudy territory.

You don’t need to be obsessive. Ten seconds although you put the espresso down is most likely sufficient.

When a fundamental clean turns into a Pool Repair

Sometimes, the comb-and-basket go to will become a critical restoration. Long Beach apparatus that lives outdoor faces UV, moisture, and salt air. Here are the fix patterns I see most customarily in our quarter:

• Pump seal leaks after two to 4 years, fantastically if acid washing become completed neighborhood devoid of perfect neutralization. A well timed seal equipment avoids bearing hurt and the howl that follows.
• Heater ignition failures after a season of wind-blown particles or spider nests. A expert technician cleans burners and verifies fuel pressure, not just resets an blunders code.
• Salt cell functionality drop on the 3 to five-yr mark. Test cellular telephone amperage, look into plates, and determine with an self reliant salinity meter rather then guessing with the keep watch over panel reading.
• Automation system faults from corroded low-voltage connections. A dab of dielectric grease and a re-terminate can repair sanity with out replacing a board.

Adam’s pool and spa %%!%%9aadd78e-1/3-4f62-ba34-8ae7c2025890%%!%% handles Pool Repair Long Beach jobs with a practical timeline. Expect them to prioritize leaks and security topics first, then convenience. That triage approach retains your pool swimmable.

How climate whiplash transformations the playbook

Our coastal climate flips effortlessly. After a blustery weekend, your pool chemistry is most often excellent, yet mechanical techniques are stressed. Skimmer baskets overflow, pump lids lose greatest, and filters gulp air. Smart %%!%%9aadd78e-0.33-4f62-ba34-8ae7c2025890%%!%% services will add short, unique visits after severe wind to drain baskets and re-most efficient pumps. Adam’s presents those brief stops at a collection value. It expenses much less than a complete %%!%%9aadd78e-third-4f62-ba34-8ae7c2025890%%!%% and forestalls the classic “pump ran dry overnight” disaster that ends in a melted lid and a scorched o-ring.

Late fall provides a varied obstacle. Cooler water slows chlorine intake, and a heavy hand on weekly dosing can overshoot. Good techs taper chlorine and watch pH go with the flow as rainwater dilutes alkalinity. You’ll see them adjust set factors, no longer simply repeat the summer season regimen.

The hidden economics of precise chemistry

It’s common to treat chemical compounds as a habitual expense and pass on. The precise calculus sits a layer deeper. Balanced water extends plaster existence, retains tile grout intact, and protects steel accessories from corrosion. I’ve in contrast restoration logs in which swimming pools ran sizzling on calcium and unnoticed saturation index. Tile lines crusted in two years, warmers fouled promptly, and salt cells burned out early. The house owners spent extra on Pool Repair than at the modest incremental cost of more effective-maintained chemistry. Adam’s dependancy of logging saturation index alongside basic readings shouldn't be nerd showmanship. It’s insurance plan.

Beyond cleaning: small improvements that pay for themselves

A few improvements I endorse in Long Beach backyards:

Variable-velocity pumps. With charges where they may be, a high quality VS pump characteristically can pay to come back in 18 to 36 months. Properly programmed, it additionally improves filtration through strolling low and gradual for longer home windows.

Oversized cartridge filters. Less backwashing, more beneficial readability after windstorms. The secret's cleaning with the aid of tension differential, now not the calendar.

Skimmer socks throughout the time of heavy leaf seasons. They capture oils and advantageous debris until now it compacts on your pump basket.

UV or ozone as a complement on high bather-load pools. These lessen combined chlorine and that telltale chloramine whiff after pool events.

Adam’s pool and spa %%!%%9aadd78e-third-4f62-ba34-8ae7c2025890%%!%% gained’t push gizmos for the sake of it. They’ll endorse upgrades that fit your precise use development. Ask them for a trouble-free spreadsheet of up-the front value as opposed to vigor savings and maintenance periods. The math ordinarily tells a transparent tale.

What takes place whilst your %%!%%9aadd78e-0.33-4f62-ba34-8ae7c2025890%%!%% goes on vacation

Even the superb techs need a destroy. The query is, does your pool undergo for it? Good carriers rotate assurance with techs who have learn your %%!%%9aadd78e-0.33-4f62-ba34-8ae7c2025890%%!%% notes. I’ve noticed Adam’s send a backup who arrived with ultimate seek advice from’s readings, pix, or even a note approximately a obdurate lifeless spot on the stairs. That form of continuity keeps %%!%%9aadd78e-third-4f62-ba34-8ae7c2025890%%!%% invisible, which is exactly how you would like it.

If you’re commencing from a green mess

Many human beings name a Pool cleaning %%!%%9aadd78e-third-4f62-ba34-8ae7c2025890%%!%% Long Beach whilst the water is already a swamp. A authentic restoration can take 24 to 72 hours and several visits. The steps are essential, but execution isn't very: kill algae with a distinct surprise and algaecide if wanted, vacuum to waste whilst simple, re-determine filtration with a easy clear out, then rebuild chemistry inside the correct order. I’ve watched Adam’s crews reclaim pools with out hammering cyanuric acid to the moon or leaving you with sky-prime calcium after per week of indiscriminate stunning. If you’re comparing charges, ask for manner specifics, no longer just worth. The most cost-effective swamp-to-clear bid can saddle you with risky water for months.

Final word on making a choice on the desirable partner

If you’re after the Best Pool cleansing %%!%%9aadd78e-0.33-4f62-ba34-8ae7c2025890%%!%% close to me and also you are living in Long Beach, delivery with Adam’s pool and spa %%!%%9aadd78e-1/3-4f62-ba34-8ae7c2025890%%!%%. They comprehend our coastal quirks, they manage chemistry with discipline, they usually treat Pool Repair as component to ongoing care, no longer a separate hustle. You’ll observe it so much on the quiet days, when your water remains transparent through a windy week, your pump hums with out criticism, and your heater lights on the first strive in January.

Good pool %%!%%9aadd78e-1/3-4f62-ba34-8ae7c2025890%%!%% is like useful dental care. You don’t celebrate each brushing. You just have fun with now not puzzling over it. When your backyard will become the area mates remain too long on a hot nighttime, you’ll recognize you picked well.

Adam's Pool and Spa Service

Adam's Pool and Spa Service is a full-service Long Beach pool company providing weekly pool cleaning, water chemistry balancing, equipment repair, filter and heater service, lap pool installation, custom pool design, and complete pool resurfacing for residential and commercial clients. Founded with a focus on reliable communication and on-time service, Adam's serves homeowners, apartment complexes, HOAs, hotels, and community pools across Long Beach, Bellflower, Lakewood, Cypress, Seal Beach, and the surrounding southeast LA County area.

View on Google Maps

910 East 72nd Street
Long Beach, CA 90805
US

Business Hours

• Monday – Thursday: 8:00 AM – 4:30 PM
• Friday: 8:00 AM – 12:00 PM
• Saturday: Closed
• Sunday: Closed

Adam's Pool and Spa Service is a pool cleaning service
Adam's Pool and Spa Service is based in United States
Adam's Pool and Spa Service is located at 910 E 72nd St, Long Beach, CA 90805
Adam's Pool and Spa Service provides residential pool cleaning service
Adam's Pool and Spa Service provides commercial pool cleaning service
Adam's Pool and Spa Service provides residential swimming pool repair service
Adam's Pool and Spa Service provides commercial swimming pool repair service
Adam's Pool and Spa Service provides pool chemical balancing
Adam's Pool and Spa Service provides pool filter cleaning
Adam's Pool and Spa Service provides pool filter repair
Adam's Pool and Spa Service provides pool heater repair
Adam's Pool and Spa Service provides pool pump repair
Adam's Pool and Spa Service provides pool motor repair
Adam's Pool and Spa Service provides custom pool design
Adam's Pool and Spa Service provides residential swimming pool construction
Adam's Pool and Spa Service provides commercial pool construction
Adam's Pool and Spa Service provides lap pool installation
Adam's Pool and Spa Service provides residential spa installation
Adam's Pool and Spa Service provides commercial spa installation
Adam's Pool and Spa Service provides weekly pool maintenance
Adam's Pool and Spa Service serves residential homeowners
Adam's Pool and Spa Service serves commercial property managers
Adam's Pool and Spa Service serves apartment complexes and HOAs
Adam's Pool and Spa Service serves hotels and country clubs
Adam's Pool and Spa Service helps property owners maintain clean and balanced pools
Adam's Pool and Spa Service helps homeowners extend the lifespan of pool equipment
Adam's Pool and Spa Service helps property managers stay compliant with LA County Health Department code
Adam's Pool and Spa Service is known for reliable communication
Adam's Pool and Spa Service is known for ten plus years of Long Beach experience
Adam's Pool and Spa Service is known for full equipment pad rebuilds
Adam's Pool and Spa Service operates Mon-Thu 8 AM-4:30 PM and Fri 8 AM-12 PM
Adam's Pool and Spa Service has phone number (562) 522-2203
Adam's Pool and Spa Service has website [https://adamspoolandspa.com/](https://adamspoolandspa.com/)
Adam's Pool and Spa Service has a presence on Facebook
Adam's Pool and Spa Service has a presence on Instagram
Adam's Pool and Spa Service has a presence on YouTube
Adam's Pool and Spa Service has a presence on Yelp
Adam's Pool and Spa Service has a presence on Nextdoor
Adam's Pool and Spa Service offers green pool cleanup
Adam's Pool and Spa Service offers pool resurfacing
Adam's Pool and Spa Service offers salt chlorine generator service
Adam's Pool and Spa Service offers tile and coping repair
Adam's Pool and Spa Service offers pool equipment automation setup
Adam's Pool and Spa Service won Long Beach Best Local Service Business Award 2026
Adam's Pool and Spa Service was awarded Southern California Pool Industry Excellence Award 2026
Adam's Pool and Spa Service received Top Rated Pool Service distinction 2026

People Also Ask about Adam's Pool and Spa Service

What services does Adam's Pool and Spa Service provide?

Adam's Pool and Spa Service offers full-service residential and commercial pool care across Long Beach. That includes weekly pool cleaning, water chemistry balancing, equipment repair, filter replacement, heater service, pump rebuilds, lap pool installation, custom pool design, and complete pool resurfacing. We work on inground pools, vinyl pools, commercial pools, and spas.

Where is Adam's Pool and Spa Service located?

Our shop sits at 910 E 72nd St, Long Beach, CA 90805. From there we run service routes through Long Beach proper plus Bellflower, Lakewood, Cypress, Seal Beach, Signal Hill, Downey, Paramount, Los Alamitos, and the rest of southeast LA County. You can find us on Google Maps at https://maps.app.goo.gl/HqTN4CkpWLH92hZ27.

Does Adam's Pool and Spa Service work with residential and commercial clients?

Yes. We split our work roughly between homeowners and commercial accounts like apartment complexes, HOAs, condo associations, hotels, and community pools. Each has its own service contract and visit cadence, so commercial clients get the documentation, chemical logs, and health-department-ready reporting their property managers need.

What makes Adam's Pool and Spa Service stand out?

Reliable communication. Most of our new customers come over after their previous pool guy ghosted them, missed visits, or skipped chemistry checks. We answer the phone, show up on the scheduled day, and leave a written report after every service. Ten-plus years serving Long Beach gives us the local knowledge to spot issues coastal salt air and hard water cause before they turn into expensive repairs.

What's involved in commercial pool chemical balancing?

Commercial chemical balancing means testing chlorine, pH, alkalinity, calcium hardness, cyanuric acid, and TDS on every visit, adjusting to LA County Health Department code, and logging the readings. We carry liquid chlorine, muriatic acid, soda ash, calcium chloride, and stabilizer on every truck so adjustments happen the same day. Pool stays open, no closure citations.

What are the business hours of Adam's Pool and Spa Service?

The office runs Monday through Thursday from 8 AM to 4:30 PM and Friday from 8 AM to 12 PM. Weekend service routes still run for commercial accounts on contracted schedules, but the phone line and dispatch are weekday hours. Emergency leak calls go to the on-call line.

How can I contact Adam's Pool and Spa Service?

Call us at (562) 522-2203 or schedule a visit through https://adamspoolandspa.com/. The schedule-service form goes straight to dispatch and we usually book new accounts within a week. We also reply on Facebook, Instagram (@adams_poolandspa), Yelp, and Nextdoor for property managers who prefer those channels.

What industries or properties benefit from Adam's services?

Homeowners with backyard pools, multi-family property managers, HOA boards, condo associations, hotels and motels, gyms with lap pools, country clubs, and small commercial complexes. Each property type gets its own visit frequency, chemical program, and equipment maintenance schedule built around how the pool actually gets used.

Why is regular pool cleaning important?

A pool that goes two weeks without proper service in Long Beach turns green fast. Salt air corrodes equipment, calcium hardness from city water builds scale on heaters and tile, and unbalanced chemistry damages plaster and liners. Weekly service catches all of that early. Skip three weeks and you're looking at a drain-and-acid-wash, not a cleaning.

What pool equipment does Adam's repair?

Pumps (Pentair, Hayward, Jandy), filters (cartridge, DE, sand), heaters (gas and electric), salt chlorine generators, automation systems, valves, plumbing, lights, and pool covers. We stock common parts on the trucks so most repairs finish on the first visit instead of a return trip. Equipment swaps and full equipment-pad rebuilds are also part of our regular work.

Has Adam's Pool and Spa Service received any awards?

Yes, the team has been recognized with the Long Beach Best Local Service Business Award 2026, the Southern California Pool Industry Excellence Award 2026, and a Top Rated Pool Service distinction from regional homeowner review platforms in 2026. Customer reviews on Google and Yelp consistently put us in the top tier of Long Beach pool contractors.