Results for "pool-chemicals"

Algae Green Pool 223 👍 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

Read answer

Heaters Medium 15 minutes 327 👍 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

Read answer

Maintenance Easy 45 minutes 335 👍 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

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

Pump Problems Medium Professional installation required 1,242 👍 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

Read answer

Winterizing Easy 45 minutes 361 👍 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

Read answer

Maintenance Medium Planning phase - 1 hour assessment 908 👍 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

Read answer

Above Ground Medium 30 minutes 482 👍 9

Do All Pools Need Liners? Pool Types and Liner Requirements

During my pool consultation, three different contractors gave me completely opposite answers about needing a liner, and now I'm wondering if someone's trying to upsell me.

I'm considering several options including above-ground pools, concrete inground pools, fiberglass shells, and even looked into natural swimming pools. Some contractors are telling me that every pool needs a liner, while others say certain types don't require them at all. I want to make sure I understand the liner requirements before making my final decision, especially since this affects both the initial cost and long-term maintenance.

Can someone break down which specific pool types actually need liners versus which ones can function without traditional vinyl liners? I'd appreciate any insight into how the construction material affects liner requirements.…more

Read answer

Maintenance Medium 1-3 days for installation 472 👍 2

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

Read answer

Leaks Medium 2-4 hours for inspection, varies for repair 417 👍 1

Can Pool Lights Leak? Detection & Repair Guide 2026

Wondering if I should be concerned about water pooling around the light fixture in this rental's inground pool since I've never dealt with pool lights before. My pool has been losing water steadily for months now, and I've checked everything I can think of - the skimmer, return lines, you name it. But I just noticed the water level seems to drop more when the pool light is on, and there's some discoloration around the light fixture.

Is it actually possible for pool lights to leak? I never even considered this could be the source of my problem. If they can leak, what parts typically fail and how much water are we talking about? I'm really hoping this might finally be the answer to my water loss mystery!…more

Read answer

Equipment Medium 45 minutes 542 👍 0

How to Vacuum Pool Without a Skimmer - 4 Easy Methods

Before the pool season even starts, my skimmer cracks from freeze damage every single year, leaving me staring at a swampy disaster. I've been dumping shock and algaecide for weeks but I know I need to vacuum out all this debris and dead algae to actually win this battle.

The problem is my skimmer is completely shot and won't be replaced for another week. Is there any way to vacuum without using the skimmer? I'm willing to try anything at this point - manual methods, different equipment, whatever it takes. I just need to get this gunk out of my pool before it gets any worse!…more

Read answer

Leaks Medium 2-4 hours for assessment 362 👍 0

Can Pool Leaks Cause Sinkholes? Soil Erosion Prevention

Looked at my water level gauge showing 2 inches lost per week, but my pool guy insists that's impossible with just surface evaporation. I keep telling myself it's just a small amount of water loss, but now I'm wondering if I'm being naive about what could actually happen to my property.

The thing is, I've noticed some soft spots developing in the ground around my pool area, and it's got me thinking - could all that leaking water actually wash away enough soil to create a sinkhole? I know it sounds dramatic, but I'm genuinely concerned about whether continuous water leakage could undermine my pool's foundation or create dangerous voids in my yard. Is this something that actually happens, or am I overthinking a simple repair job?…more

Read answer

Product Ranking 8 compared

Best Pool Heaters

4.4 (8,900 reviews)

Above Ground Medium 4-6 hours 253 👍 0

Do You Need a Birth Pool Liner? Complete Above-Ground Guide

This YouTube tutorial said any pool liner works for birth pools, but now I'm completely overwhelmed by confusing options and wondering what I got wrong. Are these the same thing as regular pool liners, or do I need something specific for my swimming pool?

Just want to make sure I get the right liner that can handle chlorine and actually fits my pool dimensions properly. Don't want to end up with something that falls apart after a few weeks!…more

Read answer

Leaks Easy 48 hours 420 👍 0

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

Read answer

Heaters Medium varies by setup 577 👍 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

Read answer

Maintenance Easy 30 minutes 266 👍 0

How to Play Pool Games: Water Activities & Swimming Fun

Staring at another pool full of bored guests for the third time this summer and I'm done letting everyone just float around doing nothing. The pool store mentioned there are tons of games we could play, but I have no idea where to start.

Most of our guests are decent swimmers, and we usually have at least 3-4 people over at a time. I've heard of Marco Polo but that's about it! Are there other classic games we should know about? And what about using pool toys - I see all these floating basketball hoops and volleyball nets but don't know if they're worth it.

Any suggestions for games that would work well for a group? I want to make sure everyone has a great time in our new pool!…more

Read answer

Loading more Q&A...

You've seen all 218 Q&A articles!