Results for "chemical mixing"

Water Chemistry Easy 30 minutes 826 👍 0

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

Read answer

Water Chemistry Medium 15 minutes 337 👍 0

Can Pool Chlorine Burn Your Skin? Chemical Safety Guide

Replaced my pool chlorine system after seeing my neighbor's kids swim all day with perfect skin, but mine still come out looking like lobsters. What are the specific conditions that lead to skin burns from pool chlorine, and what are the precise chemical parameters I should maintain to prevent skin irritation?

I'm particularly concerned about concentrated chemical exposure during maintenance procedures and want to know the exact chlorine levels that are safe for swimmers versus those that can cause chemical burns.…more

Read answer

Water Chemistry Medium 15-20 minutes 278 👍 1

Hot Tub & Spa Water Care Guide: Complete Chemistry Manual 2026

Hot tub water care requires maintaining proper pH (7.4-7.6), alkalinity (80-120 ppm), and sanitizer levels while following regular testing and chemical adjustment schedules. Higher temperatures and smaller water volumes make spas more sensitive to chemical imbalances than pools.…more

Read answer

Editor's Pick

Dolphin Nautilus CC Plus Robotic Pool Vacuum (2026)

Wall-climbing scrubber brush and Wi-Fi control — ideal for in-ground pools up to 40 ft. View on Amazon →

Sponsored

Winterizing Easy 30 minutes 859 👍 0

Can You Shock Pool With Solar Cover On? Chemical Safety Guide

Last week my pool service guy told me I absolutely must remove the solar cover before shocking, but that sounds like he's just creating extra work for himself. My pool has been green for over a week now and I've already dumped what feels like half a chemistry store into it. I've been shocking it every other day but honestly I'm not sure if I'm doing it right.

I've been leaving my solar cover on when I add the shock because I figured it would help keep the chemicals from evaporating in the sun. But now I'm wondering if that's actually making things worse? Should I be taking the cover off first? And if so, how long should I wait before putting it back on? I'm willing to try anything at this point because this green monster is driving me crazy!…more

Read answer

Water Chemistry Medium 45 minutes 405 👍 0

Can Pool Chemicals Make You Sick? Health Risks & Prevention

During every swim session, there's an overwhelming chemical burn in my nostrils and my kids emerge with angry red skin while my youngest develops this persistent cough. I've been adding chlorine and other chemicals trying to keep the water clean, but now I'm wondering if I'm creating a different problem altogether.

What kinds of health issues can pool chemicals actually cause? I handle the chemicals myself when balancing the water, and sometimes I notice my eyes watering or feeling irritated afterward. Are there specific symptoms I should watch out for that mean the chemical levels are off? I want to keep the pool safe and clean, but not at the expense of making everyone sick.…more

Read answer

Winterizing Medium 2-3 hours for complete winterization 241 👍 1

Can Pool Chemicals Freeze? Winter Storage Guide 2026

Opened my pool chemical bottles after reading the "store in cool, dry place" instructions, but now my garage is freezing and I'm questioning if they actually mean below 32 degrees. We had an unexpected cold snap last week and temperatures dropped well below freezing in my garage where I keep all my pool supplies. I have both liquid chlorine and powder shock treatments stored out there, plus some other liquid chemicals.

I'm concerned about whether these chemicals are still safe to use when my kids start swimming again in spring. Did the freezing temperatures damage them or make them less effective? I want to make sure the water quality will be perfect and safe for my family. Should I be planning to replace everything, or are some chemicals more resistant to freezing than others?…more

Read answer

Water Chemistry Easy 30 minutes 1,937 👍 0

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

Read answer

Water Chemistry Easy 2-4 hours 564 👍 0

How Long After Adding Calcium Hardness Can You Swim?

Wondering why my neighbor was swimming hours after adding calcium hardness yesterday while I'm still waiting after adding mine this morning. How long do I need to wait before it's safe to swim? Pool's been circulating for about an hour now. Do I need to test anything else before getting back in?…more

Read answer

Maintenance Easy 15 minutes 853 👍 0

Do I Need to Dissolve Pool Shock? Complete Dissolution Guide

Looked everywhere online ever since I switched to granular pool shock, but still can't figure out if I need to dissolve it first or just dump it straight in. Package doesn't clearly say if I need to dissolve it first or can just toss it straight into the pool.

What's the right way? Don't want to mess up my pool liner or waste the chemicals.…more

Read answer

Filters Medium 4-6 hours 462 👍 0

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

Read answer

Water Chemistry Medium varies by chemical 752 👍 0

How Long Between Pool Chemicals - Safe Timing Guide

Walked out to check my pool chemistry and my test strips are showing 3.5 ppm chlorine, but every guide says it should drop to zero before adding more chemicals. The pool store gave me a bunch of different chemicals - chlorine, pH increaser, pH decreaser, algaecide, etc. - but I'm not sure about the timing.

How long do I need to wait between adding different chemicals? Can I just dump them all in at once to get my water balanced faster, or do I need to space them out? I don't want to mess anything up or create some kind of dangerous reaction in my pool.…more

Read answer

Product Ranking 8 compared

Best Robotic Pool Cleaners

4.6 (28,500 reviews)

Water Chemistry Medium 2-4 hours setup 494 👍 1

Can You Store Pool Chemicals in an Outdoor Shed? Safety Guide

Around summer my backyard shed gets scorching hot, has terrible ventilation, AND I'm panicking about whether my pool chemicals are safe out there. Is this safe or asking for trouble?

Mainly have chlorine tablets, shock, pH adjusters, and algaecide. Shed gets pretty hot in summer and doesn't have great ventilation. What are the main things I need to worry about for safe storage?…more

Read answer

Water Chemistry Medium 2-48 hours depending on chemical 674 👍 0

How Long Do Pool Chemicals Take to Work? Complete Timeline

The pool chemicals are sitting right here and I'm ready to get this water balanced perfectly — just need the exact timing windows to plan everything out. I understand that different chemicals have vastly different activation periods, but I'm looking for specific timeframes for each major category.

Specifically, I need to know how long chlorine sanitizers take to become effective, the working time for pH adjustment chemicals, and the dissolution period for stabilizers like cyanuric acid. This information is critical for determining when it's safe to swim after chemical treatments and for planning sequential chemical additions without interference.…more

Read answer

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

Read answer

Filters Easy 30 minutes 173 👍 1

Can You Clean Pool Filter Cartridges in Dishwasher?

Every time I turn around, my pool is eating through replacement cartridge filters way faster than it should, and I'm wondering if tossing them in the dishwasher could save me some serious cash. They're getting pretty gunked up and I've been hosing them off, but they still look dirty. Would running them through a dishwasher cycle work better? I don't want to ruin my dishwasher or contaminate dishes, but replacement filters are getting expensive and I'd rather fix this myself than pay a pool company.…more

Read answer

Loading more Q&A...

You've seen all 53 Q&A articles!