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

Results for "pool-chemicals"

464+ Answers 2 New This Week Free
Pool VideosSee all →
How Do Pool Heaters Work? Complete Guide to Pool Heating
Heaters Medium 15 minutes 253 👍 1

How Do Pool Heaters Work? Complete Guide to Pool Heating

Found myself staring at a pile of pool heating equipment with my tools spread out, ready to tackle this installation but totally lost on which system actually makes sense. Gas, electric, heat pump - they all claim to do the same thing but work differently somehow.

What's the actual difference between these heater types? How does each one actually heat the water? Want to understand the mechanics before dropping cash on one.…more
Does Pool Chlorine Make You Darker? Skin Effects Explained
Water Chemistry Easy 5 minutes 334 👍

Does Pool Chlorine Make You Darker? Skin Effects Explained

During my latest pool investigation, I've got my detective gear ready to figure out why my kids keep coming home darker after swim days — is chlorine actually changing their skin color? They're in the pool for hours during summer camp, and I want to make sure the chemicals aren't harming their skin or causing any unwanted changes.

Is chlorine known to darken skin, or could there be another explanation? I'm also concerned about whether the pool chemicals might be making their skin more vulnerable to other effects from being outdoors so much.…more
Do I Need a Pool Pillow for Winter? Complete Guide
Maintenance Easy 45 minutes 268 👍 1

Do I Need a Pool Pillow for Winter? Complete Guide

Despite being on a tight budget for winter pool closing, I'm wondering if a pool pillow is actually necessary or just another expense I can skip? I've been researching proper closing procedures and keep seeing conflicting information about pool pillows (air pillows). Some sources say they're absolutely critical, while others suggest they're optional accessories.

Specifically, I need to understand whether pool pillows actually provide meaningful protection against freeze damage to pool walls and equipment. My pool is located in an area where temperatures regularly drop below freezing for extended periods during winter months. What's the technical reasoning behind using these pillows, and what risks am I facing if I skip this component of winterization?…more
Can You Run a Pool Pump on Extension Cord? Safety Guide
Pump Problems Medium Professional installation required 1,022 👍 18

Can You Run a Pool Pump on Extension Cord? Safety Guide

After planning our pool party for this Saturday, I discovered my pump outlet is nowhere near the pool equipment pad and I'm scrambling for solutions. The pool store wants me to hire an electrician to install a dedicated circuit for my new pump, but they're quoting me over $800 just for the electrical work. That's on top of what I already spent on the pump itself!

Can I just run a heavy-duty extension cord from my garage outlet to save some money? I've got a 12-gauge outdoor cord that should handle the load. I'm trying to avoid another expensive "professional installation" if I can help it - seems like everything pool-related has to be done by a specialist these days.…more
Do I Need Pool Antifreeze? Complete Winterizing Guide
Winterizing Easy 45 minutes 249 👍 1

Do I Need Pool Antifreeze? Complete Winterizing Guide

According to my old above-ground pool routine I never needed antifreeze, but now I'm questioning everything with this inground setup. My neighbor swears by it but another friend says it's totally unnecessary. I live in an area where we definitely get below freezing temps, but I'm not sure if my equipment can be completely drained or not.

What are the situations where pool antifreeze is actually needed? And if I do need it, does it matter what type I buy? Don't want to mess this up and end up with burst pipes come spring!…more
Pool Fence Requirements: Do You Need One? Safety Guide 2026
Maintenance Medium 1-3 days for installation 360 👍 1

Pool Fence Requirements: Do You Need One? Safety Guide 2026

According to my contractor, I'm looking at $3,200 for pool fencing and wondering if it's actually legally required before my installation is complete.

Anyone know the actual requirements? Like how deep does a pool have to be before you need fencing, and are there specific rules about the fence height or gate types? Just want to make sure I'm following all the safety regulations and not getting hit with any surprise violations from the city!…more
How to Tell If Your Pool Has a Leak - Step-by-Step Detection
Leaks Easy 48 hours 312 👍

How to Tell If Your Pool Has a Leak - Step-by-Step Detection

Noticed my pool water dropped three inches this week at 11 PM tonight — need to figure out if there's a leak before my pool guy arrives tomorrow morning. I mean, I know some water evaporates naturally, especially with this heat, but it seems like more than usual.

Is there like a reliable way to test whether it's just normal evaporation or if there's actually a leak? I don't want to call a pool guy and pay a fortune if it turns out to be nothing, but I also don't want to ignore a real problem.…more
Do I Need an Automatic Pool Cleaner? Complete Guide 2026
Equipment Easy 30 minutes 190 👍

Do I Need an Automatic Pool Cleaner? Complete Guide 2026

Noticed my 18,000-gallon inground pool still looks like a swamp after following every YouTube DIY cleaning tutorial for weeks. Currently managing manual vacuuming twice weekly, but considering automation to improve efficiency and reduce maintenance time commitment.

My pool experiences moderate debris load from surrounding oak trees, particularly during fall months. Weekly chemical balancing is consistent, but manual cleaning consumes approximately 90 minutes per session. Budget allows for mid-range robotic or suction-side units.

What specific factors should determine whether automatic cleaning systems provide sufficient return on investment? Looking for technical analysis of pool size thresholds, debris management capabilities, and operational cost considerations.…more
Do I Need a Pool Vacuum? Complete Equipment Guide 2026
Equipment Easy 30 minutes 288 👍

Do I Need a Pool Vacuum? Complete Equipment Guide 2026

Wondering if anyone else had their manual skimming routine work perfectly on their old above-ground pool but this inground one still looks swampy? I've been trying to maintain it with just skimming and brushing, but there's always debris settling on the bottom that I can't seem to get rid of. My neighbors keep telling me I need some kind of vacuum, but I have no idea what type would actually work for my setup.

I have a medium-sized inground pool that gets a decent amount of leaves from the trees overhead, especially in fall. I'm willing to put in some manual work if it saves money, but I also don't want to be out there for hours every week. What should I be looking for in a pool vacuum, and do I really need one or are there alternatives that actually work?…more
How to Determine Your Swimming Pool Size & Volume
Maintenance Easy 30 minutes 224 👍

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
Can Pool Covers Shrink? Prevention & Solutions Guide
Winterizing Medium 45 minutes 223 👍

Can Pool Covers Shrink? Prevention & Solutions Guide

Around three seasons ago I had the same shrinking problem with my old vinyl cover and stretching it worked fine — but this new one seems way tighter than last season. The edges don't reach as far as they used to, and I'm having to really stretch it to get it secured properly.

Is this actually a thing that happens? Can pool covers legitimately shrink over time? Mine's been through a pretty brutal summer with tons of sun, and I'll admit I probably didn't store it perfectly last winter. Just want to know if I need to accept that I'm gonna need a new cover or if there's something I could've done differently to prevent this!…more
How Pool Cartridge Filters Work: Complete Troubleshooting
Filters Medium 45 minutes 561 👍

How Pool Cartridge Filters Work: Complete Troubleshooting

Spent another spring weekend dealing with my cartridge filter acting up again, and I'm done getting ripped off at the pool store instead of fixing it myself. The guys there always want to sell me expensive new cartridges or additives, but I feel like if I understood what's actually happening inside the filter, I could maintain it better.

What's the step-by-step process of how water gets cleaned as it passes through? I know there's some kind of fabric material involved, but I want to understand the nitty-gritty details of how particles get trapped and what size debris these things can actually handle.…more
J-B Weld WaterWeld on Leaking Pool PVC Joint
Leaks Easy 45 minutes (including cure time: 1-2 hours) 6 👍

J-B Weld WaterWeld on Leaking Pool PVC Joint

During the estimate call, my pool guy quoted me close to $200 to cut out and re-plumb a leaking glued PVC joint right at my pump — and honestly that feels steep for what looks like a tiny weeping drip. I picked up a stick of J-B Weld WaterWeld (the 8277 epoxy putty) at Home Depot for about nine bucks, and I'm wondering if I can just knead it up and pack it around that joint myself instead of paying someone else to do it.

My main questions are: will this stuff actually hold against the water pressure a pool pump puts out, and do I need to completely shut the system down and dry the pipe before applying it? I know it says 'cures underwater' on the package, but I want to make sure I'm not just wasting my time with a fix that'll blow off the minute I fire the pump back up.

Is this a real repair I can count on, or am I just buying myself a little time before I have to do the full re-glue job anyway? Happy to do the proper fix eventually, but if this buys me a season I'm all for it.…more
Why Is the Lincoln Reflecting Pool Green—and Why Not Shock It?
Algae Green Pool 89 👍 3

Why Is the Lincoln Reflecting Pool Green—and Why Not Shock It?

I saw the photos of the Lincoln Memorial Reflecting Pool gone bright green again, days after they finished a big renovation. I run my own backyard pool, and when mine goes green I shock the daylights out of it and it clears up in a couple of days. So why is the government out there pouring hydrogen peroxide and scraping algae by hand off a national monument? Why don't they just shock the thing like the rest of us do? What am I missing?…more
How Long Can a Pool Be Empty? Safe Duration & Risks
Maintenance Medium Planning phase - 1 hour assessment 603 👍 1

How Long Can a Pool Be Empty? Safe Duration & Risks

Replaced my old above-ground pool with this inground concrete setup that needs major repairs, but I've never dealt with draining one before and I'm worried about structural damage. The pool will be without water for potentially several weeks while contractors complete the work.

What are the specific time limits before hydrostatic pressure becomes a concern? Are there differences in safe empty duration between inground concrete pools versus above ground pools with vinyl liners? I want to avoid any structural damage or liner issues during this extended maintenance period.…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