Hello. I have an above ground sand filter pool going on 17 years now and never had this problem. After I run the filter over night there are brown dirt/dust spots on...

Hi- we moved last year into a house with a pool. I am learning but no expert. This is my first time posting. My water was ok for about a week after we finally cleared it...

I have a 24 foot round above ground pool and when we opened it the water was very green. We hooked the filter up and ran it but after a few hours the return flow to the...

Testing showed
FC 3
TAC 3
Salt 4700, I have a salt pool and this is high
Cya 125
TA 90
PH 7.4
Copper & iron 0
PHO 200

I poured the whole gallon of algecide in and...

I'll try not to be a forum dumbass, and promise to be honest and work hard for any reasonable advice I get.

Here goes nothing.

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Hello everybody,...

Every summer I spend a lot of time fighting algae. Most of the time it is wasted time. I have just purchased a Tf100 test kit and I'm ready to be in control of the...

I have a question on the treatment of Mustard Algae. Hoping that Chem Geek user might see this as well, as he seems a complete genius in this area....

Quick question....

Hi everyone, figured I would post here as I am at my wits end with this pool. We have a 2500 gallon heated indoor dog pool that has had ongoing trouble maintaining...

I need a few opinions or advice about the SPA where I live. It's a complex with more than 100 units and the SPA surface is plaster. We have a professional pool service...

Hi,
I'm a new pool owner, and my pool is full of algae. It is a 24' round above ground pool with a sand filter and an inline chlorinator. My chlorine levels are...

Problem: The pool is green when you look at the water in the pool, but when you take some water out it is clear.
FC: 3-5
TC: 3-5? not sure of the difference between...

We have fought the green algae for about a month in our AGP and finally started draining it on Thursday. We used the Vacume as a siphon. It got tof about a foot left (we...

We have just recenly moved into our new home,and at first our pool was clear and blue, since then it started to turn green, and we by recomendations have done the...

Pool turned green this past week and couldn't get it back to normal. Rented a 3" pump and emptied 18500 gallon pool in an hour and refilled with lake water. Within...

We have been struggling with mustard algae & are beginning to finally win the battle but feel we need a robotic cleaner to keep on top of the problem. We are trying...

We have an above ground pool, the water is green/brown. The chlorine levels are super low, although we've put a TON in it, and the alkalinity is high (240) I have been...