Popular New Guides Product Guides Tools Checklists My Pool

Results for "chemical mixing"

608+ Answers Updated Weekly Free
How to Dissolve Pool Stabilizer (CYA) - Complete Guide
Water Chemistry Medium 2-4 days for complete dissolution 800 👍 2

How to Dissolve Pool Stabilizer (CYA) - Complete Guide

Around $800 worth of granular cyanuric acid is just sitting on my pool bottom — would my warranty cover this stabilizer dissolution mess before I drain 20,000 gallons? I have a 20,000 gallon inground pool and my current CYA reading is around 15 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
Can I Shock Pool After Adding Algaecide? Complete Guide
Algae Green Pool Medium 4-6 hours 522 👍

Can I Shock Pool After Adding Algaecide? Complete Guide

Spent all morning watching my pool turn green with algae patches and now I'm holding bottles of algaecide and shock with no clue which to use first. But I'm not sure about the timing - can I add both in the same day? Should I put the algaecide in first, or does it matter?

Also, if I can use both, how long should I wait between adding them? Don't want to mess up my water chemistry or waste expensive chemicals by doing this wrong!…more
Can I Shock Pool After Adding Alkalinity? Timing Guide
Water Chemistry Medium 6-8 hours 289 👍

Can I Shock Pool After Adding Alkalinity? Timing Guide

Walked out to check my 20,000 gallon inground pool after dosing it with sodium bicarbonate this morning to raise alkalinity from 60 ppm to 100 ppm, and now I'm second-guessing my shocking timeline. My pH was sitting at about 7.2 before I added the alkalinity increaser, but I know adding baking soda can bump up the pH as well.

I'm planning to shock the pool tonight since we've had some heavy swimmer load this week and the water is starting to look a bit cloudy. Should I wait a certain amount of time after adding the alkalinity before I shock? I want to make sure the shock is as effective as possible and I've heard that pH levels can affect how well chlorine works.

My current test results show chlorine at 1.5 ppm, alkalinity should now be around 100 ppm, and I'm not sure what the pH has risen to after adding the sodium bicarbonate earlier today.…more
Can I Turn Pool Pump Off at Night? Complete Owner's Guide
Pump Problems Easy 30 minutes 273 👍

Can I Turn Pool Pump Off at Night? Complete Owner's Guide

This electric bill is destroying my budget and I can't afford to keep this pool pump running 24/7 — is it safe to shut it off nights?
The pool store told me the pump should run constantly, but my neighbor says he turns his off at night to save on electricity costs.

I'm worried about messing something up since this is all new to me. Is it actually safe to turn the pump off overnight, or will that cause problems with the water? If I can turn it off, how many hours should it still be running each day to keep everything clean and healthy?…more
Can You Shock Pool Without Running Filter? Safe Method
Filters Medium 4-6 hours 273 👍

Can You Shock Pool Without Running Filter? Safe Method

Spent years shocking my old above-ground pool without running the filter and it worked perfectly, but now I'm questioning if it's actually safe for this new setup. I need to shock my pool but I'm wondering if I absolutely have to have the filter system running while I do it? The pool store mentioned something about circulation being important, but they weren't super clear about whether that meant the filter specifically or just water movement in general.

I'm trying to figure out if there's a safe way to shock the pool even if my filter isn't running - maybe by brushing or using the return jets? Any guidance would be really appreciated since I don't want to mess this up!…more
Do I Need pH Up and Down for Pool? Essential pH Guide
Water Chemistry Easy 15 minutes 270 👍

Do I Need pH Up and Down for Pool? Essential pH Guide

My husband casually mentioned that we're the only neighbors who stock both pH Up AND pH Down, and now I'm suspicious the pool store is playing us. That's like $40-50 just for pH adjustment chemicals alone!

Is this just upselling, or do I actually need to keep both products on hand? My pool seems to drift one way or the other pH-wise, but rarely both directions. Looking for some honest advice from people who aren't trying to empty my wallet every time I walk in for supplies.…more
Can I Add Pool Chemicals at the Same Time? Safe Mixing Guide
Water Chemistry Easy 30 minutes 269 👍

Can I Add Pool Chemicals at the Same Time? Safe Mixing Guide

Spent all week prepping for Saturday's pool party and now I'm scrambling to balance the water but wondering if I can add multiple chemicals together to save time.
The pool store gave me a bunch of different chemicals but didn't really explain the timing. I want to make sure I'm not going to create some dangerous reaction or mess up my water chemistry. Should I be spacing these out somehow?…more

Still stuck on this pool issue?

Get a personalized answer from a verified pool expert. Describe your issue and get step-by-step help.

Chat with a Pool Expert
1,742 pool owners helped · Avg response under 5 min
How to Raise Pool Stabilizer (CYA) Levels - Complete Guide
Water Chemistry Medium 2-3 days 260 👍

How to Raise Pool Stabilizer (CYA) Levels - Complete Guide

Already tried three different YouTube tutorials to raise my pool's CYA levels but somehow made them even lower than before. Pool is about 10,000 gallons. What's the right amount of cyanuric acid to add and what's the best method? Granular or liquid stabilizer?…more
How Long to Wait Before Swimming After Pool Chemicals
Water Chemistry Easy 30 minutes 255 👍

How Long to Wait Before Swimming After Pool Chemicals

Apparently I'm standing in my garage staring at three different pool chemicals I added this morning with no clue how long I actually need to wait before diving in. Yesterday I added liquid chlorine to bring my levels up from 1.2 ppm to around 3.0 ppm, and I wasn't sure if we could swim that evening or needed to wait until the next day.

I'm planning to shock the pool this weekend with calcium hypochlorite since we've had some cloudy water issues, and I also need to adjust the pH which has been running high at 7.8. The kids are eager to get back in the pool, but I want to make sure I'm following proper safety guidelines. Do different chemicals have different waiting periods, and should I always test the water first regardless of how much time has passed?…more
Can You Use Pool pH Down for Hydroponics? Safe Alternatives
Water Chemistry Medium 45 minutes 247 👍

Can You Use Pool pH Down for Hydroponics? Safe Alternatives

Apparently my neighbor's hydroponic tomatoes are thriving using basic pool pH down while mine struggle with the expensive hydroponic-specific version.

I want to make sure I'm not putting anything harmful into our food system. Are there differences between pool pH down and hydroponic pH adjusters that I should be aware of? I'd rather spend a little extra if it means keeping our homegrown produce safe for the kids to eat.…more
Can You Use Pool Chlorine to Clean Your House? Safety Guide
Water Chemistry Easy 15 minutes 239 👍

Can You Use Pool Chlorine to Clean Your House? Safety Guide

About to tackle some serious deep cleaning this Saturday — is it safe to just grab my leftover pool chlorine instead of buying a bunch of specialty household cleaners? The pool store keeps trying to upsell me on expensive specialty cleaners, but I've got plenty of pool chlorine sitting around. I'm wondering if I can just use some of that chlorine to clean my bathroom, kitchen counters, or other surfaces around the house instead of buying separate products.

Is this actually safe to do, or am I asking for trouble? I'd love to find a DIY solution that saves me some money, but I don't want to damage anything or create health hazards. What are the real risks here?…more
Can I Use Pool pH Increaser in My Spa? Safe Chemical Guide
Water Chemistry Easy 15 minutes 232 👍

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
Can You Shock Pool After Adding Stabilizer? Complete Guide
Water Chemistry Medium 48 hours 229 👍

Can You Shock Pool After Adding Stabilizer? Complete Guide

Apparently I added stabilizer to my pool yesterday but now I'm second-guessing whether it's safe to shock it — did I mess up the timing? The pool store told me I needed it because my chlorine wasn't lasting very long in the sun. Now I'm wondering when it's safe to shock the pool - can I do it right away or do I need to wait?

I've heard that stabilizer takes time to dissolve and I don't want to mess up the chemical balance. Should I test the CYA levels first? And does having stabilizer in the water change how much shock I should use? Any guidance would be really appreciated!…more
How to Test Pool Stabilizer (CYA) Levels: Complete Guide
Water Chemistry Easy 15 minutes 229 👍

How to Test Pool Stabilizer (CYA) Levels: Complete Guide

Called three different pool repair companies for advice on my stubborn chlorine levels, followed their suggestions exactly, but somehow made my pool chemistry even worse — now I'm wondering if my cyanuric acid is completely out of whack.

I've never actually tested for stabilizer before - I didn't even know it was something I needed to check regularly! What's the most accurate way to test cyanuric acid levels? Are there different testing methods, and do some work better than others? I want to make sure I'm getting reliable readings before I start messing with chemical adjustments again.…more
How Long Do Pool Cleaners Take? Complete Timing Guide
Equipment Easy varies by cleaner type 222 👍

How Long Do Pool Cleaners Take? Complete Timing Guide

Nobody warns you that every spring when you're getting the pool ready for summer, figuring out how long cleaning actually takes becomes this recurring nightmare. I want to make sure the water is properly cleaned before they jump in, but I'm not sure how long each type of cleaner needs to run to do its job effectively.

I'm considering getting either a robotic cleaner, suction cleaner, or pressure cleaner, but I need to know how much time each one requires per cleaning cycle. I want to plan the cleaning times around when the kids aren't swimming, so knowing the exact duration would really help me create a safe routine that keeps the water clean without interfering with their swim time.…more
PoolGuy810
Ask a Pool Expert Avg reply < 5 min

My Pool Settings

Hi, I'm Splash!
Need help setting up? I can walk you through it
Pool Info
Calculate volume
Climate & Cover
Typical Chemistry

Pre-fill calculators with your usual levels (optional)

30-50 chlorine, 70-80 SWG
60-80 recommended
250-350 recommended
Equipment

Select your equipment to personalize checklists

Sync across devices

Pool Saved to Cloud

Your sync code (use this to load your profile on another device):

Write this down! There is no way to recover it if you lose it and clear your browser.