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

Results for "multiport valve"

464+ Answers 2 New This Week Free
Pool VideosSee all →
Add a Shutoff Valve to Your Pool Waste Line
Equipment Medium 2–3 hours (plus cure time) 968 👍 44

Add a Shutoff Valve to Your Pool Waste Line

My pool equipment pad has a waste line that just dumps straight out to the side yard with zero control — no valve, nothing. I found a YouTube tutorial on how to splice in a shutoff valve, grabbed the supplies, and cut into the pipe... and now I've got a bigger mess than before. The dry-fit didn't hold the way the video showed, one of my cuts came out slightly angled, and I'm second-guessing the whole thing before I actually glue anything permanently.

The waste line is 1½-inch PVC coming off the back of my multiport filter valve. It dribbles between backwash cycles because there's nothing shutting it off, and I'd like to fix that properly. I want to understand what type of valve to actually use here, how to prep the pipe ends correctly after a rough cut, and how to solvent-weld everything so it doesn't leak or blow apart under pressure.

Can someone walk me through the real process — choosing the right valve, making clean cuts, dry-fitting, priming and cementing, and how long I need to wait before firing the pump back up? I want to get this right the second time.…more
How to Change Pool Filter Sand: Complete Step-by-Step Guide
Filters Medium 3-4 hours 309 👍

How to Change Pool Filter Sand: Complete Step-by-Step Guide

Standing here staring at my pool filter feeling completely clueless—probably a dumb question, but how do you actually change the sand inside this thing?

Can someone walk me through the whole thing? Like do I need to turn off the pump first? How do I get to the old sand? And what are these "laterals" they mentioned - I don't want to damage those. Any step-by-step guidance would be amazing since this is my first time doing any pool maintenance beyond adding chemicals.…more
How to Backwash Pool Filter - Complete Step-by-Step Guide
Filters Easy 10 minutes 323 👍

How to Backwash Pool Filter - Complete Step-by-Step Guide

Apparently my pool filter started shooting dirty water back into the pool during what I thought was a normal backwash cycle yesterday.

The pool store told me I need to backwash my filter regularly, but I'm honestly not sure what that means or how to do it properly.

I see there's a multiport valve on my filter system with different settings like BACKWASH, RINSE, and FILTER, but I don't want to mess anything up by doing it wrong. Can someone walk me through the exact steps? Like do I turn the pump off first, and how long am I supposed to run it in each mode?…more
Can I Leave Pool Filter Outside for Winter? Storage Guide
Filters Medium 45 minutes 249 👍

Can I Leave Pool Filter Outside for Winter? Storage Guide

This Hayward sand filter is sitting in my backyard and the pool store warned me the housing will crack if I leave it outside this winter. They're saying I absolutely MUST bring my filter inside and store it properly or it'll crack from freezing water. Is this just another upsell, or will my filter actually get damaged if I leave it outside during winter?

I'm in a climate that gets below freezing, and I'm trying to handle as much of the winterization myself as possible. The pool store quoted me $200 just for filter removal and storage! Can I really not just drain it well and leave it in place, or am I risking expensive damage? Looking for honest advice from people who've actually dealt with this.…more
Can You Vacuum Pool on Recirculate? Complete Guide
Equipment Medium 45 minutes 450 👍 17

Can You Vacuum Pool on Recirculate? Complete Guide

Pulled a ton of storm debris out of our pool and now I'm trying to decide between normal filtration and recirculate mode for vacuuming.
The pool is so messy that I'm concerned about clogging up our filter system if I vacuum normally, but I also don't want to compromise water quality.

Can I vacuum the pool using the recirculate setting instead? I want to make sure I understand what this does - will it actually clean the water properly or just move things around? My main concern is whether the water will be safe and clean enough for the kids to swim in afterward, or if I need to take additional steps to ensure proper filtration.…more
Do Sand Pool Filters Need Cleaning? Complete Maintenance Guide
Filters Easy 20-30 minutes 578 👍

Do Sand Pool Filters Need Cleaning? Complete Maintenance Guide

Apparently the manual says to backwash my sand filter every few weeks, but that doesn't match what the pool store is telling me about maintenance. I have a sand filter system and the pool store told me I'd need to clean it sometimes, but they didn't really explain how often or what that involves.

I've been running the filter daily and the water looks pretty good so far, but I want to make sure I'm not missing something important. Should I be doing something regularly to keep the sand filter working properly? And how long does the sand itself typically last before it needs to be replaced?…more
How Pool Sand Filters Work: Complete Diagram & Process
Filters Medium 15 minutes 641 👍

How Pool Sand Filters Work: Complete Diagram & Process

New pool owner trying to understand how my sand filter actually cleans the water. Watched a couple YouTube videos but they all skip over the important details. The pool store just says "backwash when pressure goes up" but I want to actually understand what's happening inside this tank.…more
How Long to Backwash Pool Sand Filter: Complete Guide
Filters Easy 5 minutes 327 👍

How Long to Backwash Pool Sand Filter: Complete Guide

Since it's 11 PM and my sand filter pressure just spiked to dangerous levels — need to backwash this thing before my pump burns out overnight. Right now I'm dealing with my sand filter - the pressure has gone up quite a bit from when I first cleaned it, and I know it's time to backwash.

But here's my question: how long should I actually run the backwash cycle? I don't want to waste a ton of water (my utility bills are already high enough), but I also want to make sure I'm doing it properly. Is there a specific time I should aim for, or some other way to tell when it's done? I'd rather figure this out myself than pay someone else to do basic maintenance.…more
Can I Vacuum Pool on Waste? Complete Filter Setting Guide
Filters Easy 45-90 minutes 357 👍 2

Can I Vacuum Pool on Waste? Complete Filter Setting Guide

Halfway through prepping for our pool party this Saturday, I realized I have no clue which filter setting to use when vacuuming all this debris. I've got some pretty heavy debris that's settled on the bottom of my pool after a storm, and I'm worried about clogging up my filter if I vacuum it all up normally.

The guy at the pool store mentioned something about using the "waste" setting when vacuuming, but I didn't really understand what he meant. Does this actually work, and when should I be using waste instead of the regular filter setting? I don't want to mess anything up since I'm still learning all this stuff.…more
How to Use a Pool Sand Filter: Complete Step-by-Step Guide
Filters Easy 30 minutes 286 👍 1

How to Use a Pool Sand Filter: Complete Step-by-Step Guide

The pool sand filter that worked fine for years started giving me cloudy water last month but now it's completely dead and those expensive pool store fixes aren't working.

Can someone just give me the straight facts on how to actually operate my sand filter? I want to know the basic daily routine, when I should backwash, and how to tell if it's working properly. I'm looking for simple, practical steps I can handle myself without breaking the bank on unnecessary add-ons.…more
Do DE Pool Filters Need Backwash? Complete Guide + When
Filters Medium 45 minutes 555 👍

Do DE Pool Filters Need Backwash? Complete Guide + When

Around six months ago I moved into a rental with a DE pool filter that I've never dealt with before and I'm completely lost on whether it needs backwashing. My DE pool filter's pressure gauge has shot up from the normal 12 PSI to about 22 PSI over the past month, and I'm wondering if this means I need to backwash the thing. I've been putting off maintenance because honestly, I'm not even sure how often these DE filters are supposed to be backwashed.

The water clarity has been decent but the high pressure is making me nervous that I'm about to have a bigger problem on my hands. How often should I actually be backwashing this filter, and is there anything special I need to do after backwashing a DE system? I really don't want to mess this up and create an even bigger headache.…more
Do I Need to Backwash My Pool Filter? Complete Guide
Filters Easy 10 minutes 243 👍

Do I Need to Backwash My Pool Filter? Complete Guide

Our pool filter pressure started as slightly higher gauge readings last month but now it's climbing so dangerously high I'm wondering what specific indicators tell me when to backwash.

What are the key signs I should monitor to determine when backwashing is necessary? Are there different procedures for different types of filters, or does the same process apply across all filtration systems?…more
Pool Filter Balls vs Sand: Complete Replacement Guide
Filters Medium 2-3 hours 1,299 👍 8

Pool Filter Balls vs Sand: Complete Replacement Guide

Noticed my pool filter isn't performing like it used to — can't afford professional service right now, so is switching from sand to filter balls a DIY job under $100? The pool store mentioned they might work better than traditional sand, but I want to make sure before I make the switch.

Are filter balls actually a good replacement for sand in my filter system? I'm curious about things like how well they filter compared to sand, if they're easier to work with, and whether the maintenance routine changes at all. Any guidance would be really helpful!…more
Should You Vacuum Pool After Adding Algaecide? Step-by-Step
Algae Green Pool Medium 2-4 hours including wait time 1,189 👍 24

Should You Vacuum Pool After Adding Algaecide? Step-by-Step

I looked outside this morning and there's this overwhelming musty, swampy stench hitting me from the pool with chunks of dead algae floating everywhere after adding algaecide two days ago. The water looks like a swamp but at least it's not getting worse.

Should I be vacuuming this stuff up now or waiting longer? I don't want to mess up my filter with all this crud, but I also can't stand looking at this disaster anymore. What's the right timing for vacuuming after algaecide treatment?…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