Results for "pool volume"

Maintenance Easy 2 minutes 109 👍 2

How to Calculate Pool Volume: Every Shape, Easy Formulas

Every product and calculator asks for my gallons, and honestly mine just looks like a lot of water. Is there an actual method for figuring it out for any pool shape?…more

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Maintenance Easy 30 minutes 224 👍 0

How to Determine Your Swimming Pool Size & Volume

I keep getting asked what my pool volume is and all I know is it's big. Geez, are there any standards for this? It looks like a lot of water, but I flunked calculus...…more

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Pump Problems Medium 2-3 hours for assessment and calculations 255 👍 1

Do I Need a Bigger Pool Pump? Complete Sizing Guide 2026

Turned out my husband was right when he said our pool water looks like weak tea despite perfect chemical levels, and now I'm questioning if our pump is actually doing its job. My pool is about 20,000 gallons and I have no idea how long it takes for all the water to cycle through.

I want to make sure the filtration is strong enough to remove bacteria and contaminants effectively. How do I know if I need to upgrade to a more powerful pump? What should I be looking for to ensure the water is turning over frequently enough for safe swimming?…more

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Water Chemistry Easy 15 minutes 327 👍 0

Can I Use Pool pH Increaser in My Spa? Safe Chemical Guide

Noticed I'm always running low on spa pH increaser and wondering if this is a dumb question, but can I just use my pool's pH increaser instead? I have both a pool and a hot tub, and I noticed my spa's pH is running low. I have some pH increaser that I bought for my pool - can I use the same product in my hot tub, or do I need to buy separate chemicals?

The pool store didn't really explain if there's a difference between pool and spa chemicals, and I don't want to mess anything up. If I can use the same pH increaser, do I need to adjust how much I add since the hot tub is obviously much smaller than my pool?…more

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Water Chemistry Medium 15 minutes 229 👍 0

Can I Use Pool Chemicals in My Spa? Safe Chemical Guide

Nobody told me that looking at my pool chemical shelf right now with all these bottles means I'd have no clue which are safe for the spa. I want to make sure the water is properly sanitized for the kids, but I'm concerned about whether pool chemicals work the same way in the smaller, hotter water environment.

I currently have chlorine tablets, pH adjusters, and some alkalinity products for our pool. Are there any specific pool chemicals I should avoid using in the spa? I just want to ensure the water is safe and clean for my family without accidentally creating any health risks by using the wrong products.…more

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Water Chemistry Medium 45 minutes 326 👍 0

Can You Use Pool Chlorine in Hot Tub? Safety & Compatibility

Replaced my hot tub chlorine with leftover pool chlorine yesterday and now the water's still cloudy even though it's burning through sanitizer like crazy. The spa chemicals at the store are ridiculously expensive compared to pool chemicals. I have a bunch of pool shock and liquid chlorine left over from summer - can I just use those in my hot tub instead? I tried using some pool shock last week but the water got really harsh and irritated everyone's skin. My spa dealer keeps pushing their expensive "spa-only" products but I'm wondering if it's just a marketing gimmick. Are pool and spa chemicals really that different, or am I missing something important here?…more

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Water Chemistry Easy 2-4 hours 781 👍 0

Do You Need to Shock Pool After Filling? Complete Guide

Staring at my freshly filled pool with a bucket of shock in hand — is it safe to dump this in right away, or could it damage anything? We just finished filling our 18x36 inground pool after having some liner work done this spring. The water came from our well and looks crystal clear, but I'm wondering if I need to shock it before my family starts swimming? A neighbor mentioned something about always shocking after a fresh fill, but I'm not sure if that's necessary since the water looks fine. What's the proper procedure here? I have test strips but haven't checked the chemistry yet - wanted to get some advice first on whether shocking is a must-do step.…more

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Water Chemistry Medium 2-4 days for complete dissolution 3,717 👍 32

How to Dissolve Pool Stabilizer (CYA) - Complete Guide

I added granular cyanuric acid to my pool and it's just sitting on the bottom instead of dissolving. I have a 20,000 gallon inground pool and my current CYA reading is around 20 ppm - I need to get it up to about 50 ppm. I tried just broadcasting the granules directly into the pool like I do with other chemicals, but they seem to just sink to the bottom and sit there without dissolving much.

I've heard that cyanuric acid is notoriously slow to dissolve compared to other pool chemicals. What's the most effective method to get this stuff into solution? Should I be pre-dissolving it somehow, or is there a specific technique that works better? I want to make sure I'm doing this right and not wasting product or creating hot spots in my pool.…more

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Maintenance Easy 15 minutes 310 👍 0

How to Measure Pool Length: Complete Step-by-Step Guide

The pool guy casually mentioned our measurements seemed "off" during his last visit, and now I'm questioning whether I even know how long our pool actually is. I need the measurements for a new cover and some DIY projects, but I'm not paying those ridiculous markups they charge for everything.

I've got a basic rectangular pool but it's got some curved edges at the corners. Should be simple enough to measure myself, right? What's the best way to get accurate length measurements without calling in the pros? I've already spent way too much money on overpriced chemicals this season.…more

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Water Chemistry Medium 2-4 hours (including wait time between doses and retesting) 34 👍 0

Hydrogen Peroxide to Lower Chlorine in Overshocked Pool

Three pounds of shock into a 15,000-gallon pool — I may have gotten a little enthusiastic. My test kit is maxed out and the water looks like it belongs in a science experiment, not a backyard. Nobody's swimming in it anytime soon and I want to fix this fast.

Standing in the pool store aisle right now, staring at hydrogen peroxide products, sodium thiosulfate, and a few other things I don't recognize — and I have no clue which one I actually need. Someone in my neighborhood group chat swore that hydrogen peroxide is the move, but I've also seen warnings that it can tank your pH or strip your sanitizer to zero if you overdo it.

Can hydrogen peroxide actually neutralize a chlorine overload safely? How much would I need, is it safe for my equipment and liner, and are there smarter or more reliable ways to bring the chlorine back down to a swimmable level without creating a new problem?…more

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Filters Medium 30 minutes 978 👍 0

How Long to Run Your Pool Pump and Filter Daily - Complete Guide

Every pool season I feel like an idiot asking this, but I genuinely have no idea how many hours my filter should actually be running daily. My kids swim almost every day during summer, and I want to make sure the water stays clean and safe for them. I've heard different opinions - some neighbors say they run theirs 24/7, while others only run it a few hours.

I'm worried about under-filtering and having bacteria or algae grow, but I also don't want to waste electricity if it's not necessary. Our pool gets heavy use with the kids and their friends, plus we've had some really hot weather lately. What's the right balance for daily filter runtime to keep the water properly clean?…more

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Heaters Medium varies by setup 338 👍 1

How Long Pool Heaters Take to Heat Up - Complete Guide

After years of relying on my old gas heater's predictable 24-hour heating schedule, this new heat pump is throwing me completely off track. They keep pushing expensive systems without giving me straight answers about actual heating performance. I need to know the real deal on how long different heater types actually take to warm up a pool.

Specifically, what's the realistic heating rate for gas heaters versus heat pumps? I keep hearing conflicting info and I'm trying to make an informed decision without getting upsold on features I don't need. Just want honest numbers on temperature rise per hour so I can figure out what works for my situation and budget.…more

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Water Chemistry Medium 1,034 👍 59

Are Borates Actually Worth Adding to My Pool?

Nobody at the pool store seems to give me a straight answer about borates — they either push every product on the shelf or just shrug. My water has this slightly harsh, almost sharp smell to it after I shock, and I keep reading that borates can help with that kind of thing. But I honestly don't understand what they actually do chemically, or whether they're going to create more work for me than they're worth. Is this one of those optional 'nice to have' additions, or am I missing something that would genuinely make a difference in how the water feels and behaves?…more

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Water Chemistry Medium 30 minutes 202 👍 0

Can You Use Pool Chlorine in Your Spa? Safety & Chemistry

Wondering if I messed up my spa chemistry by adding pool chlorine yesterday to simplify maintenance — the water feels completely different now. The spa gets heavy use and runs at higher temperatures than the pool, so I want to make sure the chemistry requirements are compatible.

Specifically, I need to know if pool chlorine will work effectively in spa conditions, and whether the concentration levels and monitoring frequency need to be adjusted. Are there any safety considerations or chemical balance issues I should be aware of when using pool chlorine in a spa environment?…more

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Filters Easy 30 minutes 179 👍 0

Pool Filter Runtime: 24/7 vs Scheduled Operation Guide

During my pool maintenance reading, I keep seeing conflicting advice about filter runtime schedules. Some sources say the filter needs to run 24/7 while others mention you can get away with just 8-12 hours daily. My pool is about 20,000 gallons and I'm using a sand filter with a variable speed pump that I installed last season. Right now I have it programmed to run from 6 AM to 6 PM, but I'm wondering if that's enough turnover to keep the water properly filtered and circulated.…more

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