Popular New Calculator Checklist Community Guides Product Guides Live Cams My Pool

Results for "circulation time"

469+ Answers 4 New This Week Free
Pool VideosSee all →
Can I Leave My Pool Covered All Summer? Complete Guide
Winterizing Hard 2-3 hours weekly maintenance 329 👍

Can I Leave My Pool Covered All Summer? Complete Guide

Halfway through summer my pool cover started developing this weird slimy buildup underneath and now I'm panicking that I've been damaging my pool this whole time. They always claim the most expensive algaecides are essential and that I can't handle maintenance myself. I'm wondering if I can just cover my pool for the entire summer season to avoid all these costs and constant maintenance headaches.

I know it sounds lazy, but I'm looking for ways to cut down on the weekly chemical balancing and cleaning routine. Would keeping it covered actually save me money in the long run, or am I setting myself up for bigger problems? I'd rather do some DIY maintenance if needed than keep getting ripped off at the pool store.…more
How Long After Adding Alkalinity Can You Swim? Safe Wait Times
Water Chemistry Easy 30 minutes 939 👍

How Long After Adding Alkalinity Can You Swim? Safe Wait Times

Three hours after dumping alkalinity increaser into our pool, my kids are still pestering me about when they can finally jump back in. I want to make sure it's completely safe before I give them the okay.

How long should I really wait after adding the alkalinity increaser? I know it needs time to circulate and dissolve properly, but I'm not sure if 20-30 minutes is enough or if I should wait longer. Our pump runs pretty well, but I'd rather be overly cautious when it comes to the kids' safety.…more
When Can You Swim After Shocking Pool? Safe Wait Times
Water Chemistry Easy 30 minutes 340 👍

When Can You Swim After Shocking Pool? Safe Wait Times

I noticed the pool at my new rental was cloudy so I shocked it yesterday evening, but now I'm completely lost on when it's safe for my kids to jump back in. The pool store guy said "wait a few hours" but I've read everything from 8 hours to 24 hours online. The chlorine smell is still pretty strong this morning. I used liquid shock (sodium hypochlorite) and added about a gallon to my 20,000 gallon pool. How do I know when the chlorine levels are actually safe for swimming? I don't want to keep the kids out longer than necessary, but I definitely don't want to risk any chemical burns or irritation.…more
How Long Pool Chemicals Take to Settle - Complete Guide
Water Chemistry Easy 2-48 hours depending on chemical type 1,857 👍

How Long Pool Chemicals Take to Settle - Complete Guide

Halfway through adding my pool chemicals, they're just floating on the surface for hours instead of dissolving like they normally do. After adding chemicals like chlorine, pH adjusters, or alkalinity increasers, I want to ensure they're properly mixed before taking water samples for testing.

My pump runs approximately 6-8 hours daily, and I'm concerned about getting inaccurate readings if I test too early. What's the standard circulation time required for different types of pool chemicals to fully distribute throughout the water? I want to establish a proper testing protocol to avoid chemical imbalances.…more
Do Pool Covers Cause Algae? Prevention & Solutions Guide
Algae Green Pool Medium 30 minutes 607 👍

Do Pool Covers Cause Algae? Prevention & Solutions Guide

Last month I moved into a house and discovered the previous owner's pool cover routine left me with constant algae blooms despite maintaining proper chlorine levels. I've been dumping shock and algaecide like crazy, but it keeps happening whenever I cover the pool.

Is the cover actually causing this algae growth? I thought covers were supposed to help keep pools clean, but mine seems to be doing the opposite. What am I missing here? There has to be a way to use a cover without turning my pool into a green swamp every week.…more
Pool Filter Runtime: 24/7 vs Scheduled Operation Guide
Filters Easy 30 minutes 259 👍

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
Can I Swim After Adding Pool Stabilizer? Safe Wait Times
Water Chemistry Easy 30 minutes 1,845 👍

Can I Swim After Adding Pool Stabilizer? Safe Wait Times

Turned my pool stabilizer into a mystery this morning - added it to my 20,000 gallon inground pool but my cyanuric acid test reads zero when everything says it should show immediately. I used the granular form and dissolved it in a bucket first before pouring it around the perimeter while the pump was running. My kids are asking when they can get back in the water, but I want to make sure it's completely safe.

I've heard different things about wait times - some people say you need to wait hours, others say it depends on the type of stabilizer you use. The granules seemed to dissolve pretty well, and I've had the circulation system running for about an hour now. What's the actual safe waiting period before we can swim again? Does it matter whether you use granular versus liquid stabilizer?…more
Can Pool Heater Run Without Pump? Safety & Equipment Guide
Heaters Medium 45 minutes 245 👍

Can Pool Heater Run Without Pump? Safety & Equipment Guide

Last night at 11 PM I discovered my 2019 Pentair natural gas heater still running on my 20,000 gallon pool with the circulation pump off for maintenance. The heater seemed to be firing normally, but obviously no water was moving through the system. I quickly shut it down, but now I'm wondering if I could have damaged something. Is it ever safe to operate a pool heater without the pump running, or should these systems always work together?…more
Can You Run Pool Pump 24/7? Winter Operation Guide
Equipment Medium 30 minutes 239 👍 1

Can You Run Pool Pump 24/7? Winter Operation Guide

I spent all winter listening to this relentless humming from my pool pump running 24/7, and now I'm second-guessing whether constant operation during cold months is safe. I've heard mixed advice - some say it prevents freezing and keeps water circulating, while others warn about equipment wear and high electricity costs. My pool sits unused from November through March, so I'm trying to figure out the best approach for pump runtime during this period. What's the right balance between protecting my equipment and not wasting energy?…more
Variable Speed Pump RPM Settings for Energy Savings Guide
Equipment Easy 30 minutes 1,934 👍 61

Variable Speed Pump RPM Settings for Energy Savings Guide

Three weeks ago I had a variable speed pump installed to replace my old single-speed unit, and I'm worried I might be creating a safety hazard by running it incorrectly. The installer didn't give me clear guidance on what RPM settings to use, and now I'm concerned that running it too slow might not be circulating chemicals properly around my pool where my young children swim daily. Is it dangerous if the water isn't moving fast enough to distribute chlorine evenly? I've been experimenting with different speeds but have no idea if I'm putting my family at risk with poor water circulation or wasting energy by running it too fast.…more
Can You Shock Pool With Solar Cover On? Chemical Safety Guide
Winterizing Easy 30 minutes 1,099 👍 1

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
How to Raise Pool pH: Complete Guide to pH Increaser
Water Chemistry Easy 30 minutes 430 👍

How to Raise Pool pH: Complete Guide to pH Increaser

Before I dump chemicals into my pool, I'm trying to decide between adding baking soda or actual pH increaser to bring it up from 7.0. The pool store told me I need to raise it, but they mentioned a couple different chemicals and I'm honestly a bit confused about which one to use.

I've heard about soda ash and baking soda, but I'm not sure what the difference is or how much I should add to my 20,000 gallon pool. I really don't want to mess this up and swing it too far the other way. Should I be adding the chemicals slowly, and do I need to have my pump running when I do it? Any guidance would be really appreciated!…more
How Variable Speed Pool Pumps Save Money on Electric Bills
Pump Problems Easy 15 minutes 336 👍

How Variable Speed Pool Pumps Save Money on Electric Bills

Noticed my electric bill spiking every summer and now I'm standing in the pool supply store staring at variable speed pumps with no clue if they'll actually help. They're in the pool almost every day during summer, and I need to make sure the water stays properly filtered and clean.

Can these variable speed pumps really reduce electricity costs without compromising water circulation and filtration? I don't want to save money at the expense of water quality that could put my children at risk.…more
How to Program Variable Speed Pool Pump - Complete Guide
Pump Problems Medium 30 minutes 386 👍

How to Program Variable Speed Pool Pump - Complete Guide

Nobody warned me that after the pool guy installed my new variable speed pump yesterday, I'd be staring at this digital display like it's speaking ancient Greek. The installer basically ran off after hooking it up and now I'm supposed to figure out how to program different speeds throughout the day.

I get that I'm supposed to run it at different RPMs at different times to save energy, but honestly have no clue where to start. Like, what speeds should I use and when? And how do I actually punch this stuff into the control panel? My old single-speed pump was so much simpler - just flip the switch and forget about it!…more
Can I Leave My Pool Filter On All The Time? Complete Guide
Filters Easy 15 minutes 384 👍 1

Can I Leave My Pool Filter On All The Time? Complete Guide

About to run my pool filter 24/7 this summer. Currently I'm running my filter system about 6 hours per day, but I've been dealing with some water clarity issues despite maintaining proper chlorine levels (2.5 ppm) and balanced pH (7.4). My pool gets heavy use from my family and I've noticed the water looks a bit cloudy by evening even after shocking. I'm wondering if I should just leave the filter running continuously to help with circulation and keep the water crystal clear, or if there's a sweet spot for daily runtime that balances effectiveness with energy costs. The pool is in full sun most of the day and we're in a fairly warm climate, so I want to make sure I'm getting adequate turnover without unnecessarily driving up my electric bill.…more

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.
Pool Calculator Free all-in-one dosing tool