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My chlorine level is 7 but my free chlorine is 0. All other levels are within the normal range except for CYA which is low. What can I do to get the free chlorine up?

I had been getting dirt in my pool. Thinking it was a broken layers I replaced al the laterals and center pipe. I also put on a new spider gasket. I STILL have dirt in the bottom of my pool. I know it’s coming from my filter because I tied a sock on the output and the dirt is not on the floor of...

Can you use zeosand in an Intex pump? I have a lot of dirt coming in through pump. I replaced all the laterals and center pipe. I’m using zeosand for my filter media.

I keep having this brown dirt appear in my pool. We have tried vacuuming it to waste but it comes back the next day. It settles in the seams of the pool liner. I have kept my chlorine at a 6 (cya at 30) for the last 4 days. It does not seem to be doing anything. It poofs when brushed. does...

What is the best economical vacuum to get small brown dust out of pool? It settles along the seams of the filters.

What is the best sand for an Intex sand filter?

What size particles are in zeosand? Trying to figure it out if it’s too small for my pump. Thanks!

My pool filter is spitting sand in the pool. I have looked at the laterals and nothing seems to be cracked but I don’t know what that looks like. Would it be super obvious? The pipe seems good. We have a brand new multi port valve. Any recommendations on what I could do to fix this?

Hi. I have an 8400 gallon above ground pool. I drained and refilled. My alkalinity is over 180. What is the best way to lower it? PH is reading 8.1

I hire someone to take care of my pool. All of a sudden my CYA is measuring at 300. He claims he does not use anything that uses CUA other than tablets. We have used less than ten tablets in our pool. Why would my CYA be so high?