seems to be only test that is low - how do you boost it? - 21' above ground new to me
thanks for any tips

Hi, I am at a loss. The swimming pool store has not been much help so I thought I would try here in a last ditch effort to get help. I have a 17000 gallon fiberglass...

How much of a headache would it be to switch from my current vinyl liner in ground with stainless steel walls to a gunite or concrete pool? I’m tired of having to...

My cya is around 170 which I understand is really high. My pool company claims that a good cya range is 30-200. From what I read 30-50 is a good range. Do I need to do a...

I have an inground, 16x32 oval pool, Hayward S220T sand filter. About a month after opening it this year; I would wake up to a fine layer of sand throughout the whole...

Can someone answer how to change the password ??
Maybe I'm doing something wrong?
Need your help.
Yours faithfully.

I say "dirt" because after two years, i have concluded that it's not sand or "mustard algae". Thought it was sand so wasted hundreds with new...

Is it ok that my easyset 4.55 / 122 pool a little bit resting on one side

Good afternoon from Gascony in France where we are looking after a large property with a 5x10m in ground salt water pool.

The sand filter is only a couple if years old...

Please help . I could only find this brown shock from Walmart . I put two packs in and it is just sitting on pool floor. I have vacuumed at least 3 times and the...

Hi folks,

My pool starts blowing bubbles from the return jets about 10 minutes after the pump is turned on, and I could really do with some help working out what is...

Hello all, new to the forums. Opened our pool a few weeks ago, was crystal clear after a few days but then went cloudy. Tested the levels, hardness, TA, PH was all low....

Hi. I have a hayward chlorinator.
I get different values on the first reading ( i guess it's salt level).
Sometimes it's 1500, sometimes 0 , sometimes 2000.
Why it's...

:D :D
Hi All! We have an 18' above ground pool. We have a hayward DE filter and our water is clear, and tests well. We use EZ Pool instead of traditional chlorine....

I have experienced burning lungs after swimming and I thought it was due to unbalanced water. I emptied my brand new endless vinyl pool completely, washed with baking...

Hello everyone! I'm at a loss of how to solve a daily low pressure problem. I have an 18x30, 1.5HP pump with a Clear Water II cartridge filter and running a Polaris 65....

Hello, how can i tell if i have mustard algae or dead phosphates? It looks like a grey milky substance and will appear on the bottom of the pool. I vacuum and then will...