I have a problem with my hot tub where the free chlorine is very high but the total chlorine is very low. All of the articles I find online have the opposite problem....

This is my first post, so please forgive me if I leave anything out, or worse, have posted this in the wrong section! That said, I do not know if the information about...

We have a 10,000 gal pools, DE filtered that has always been pretty well stable and balanced (6-years). I have an Ozone system which should help keep chlorine in the...

So for the last week I haven’t been able to get my little 1200 gal pool balanced after it’s initial fill up (was balanced initially 2/2 free/total Cl. Following the...

Just installed this pool last weekend. It's an intex ultra frame 32x16x48" so I'm assuming the size stretches the limits of the saltwater cell.

Pool was full on...

a good day

 I have a question we have a new swimming pool today and we have a crystal clear saltwater system CG-28670GS.
Well my question is can I use this system for a...

One of the teenagers in my pool, was chatting with me, with a "btw my eyes were pretty irritated - too much chlorine", however he swims in the rain too. Is...

I got a 55lb bucket of accu-tab si cal-hypo tablets for free, it says for industrial and potable water treatment applications and says not approved by the epa for...

I've worked with two different pool cleaning companies and it always seems one company said you were trained wrong.

Let me explain. Pool company A says they want to see...

I'm at my wits end after dumping tons of chlorine in my pool that seems to evaporate hours later. Here are the details. 33,000 gallon plaster pool, DE filter (grids...

I have noticed I have fine, black dust on the floor when filter is off in morning. I use a vacuum, not connected to pool or filter, and it cleans it up. However tonight,...

Is it true that the presence of nitrate in pool water at a concentration of 20 PPM or greater will drastically increase your sanitizer consumption? Thank you.

Hello all, I've recently taken over the finances for the community pool and am looking at the most effective way to keep it clean. Currently, they go through 120lt /...

Hi,

I have given the task of installing /commissioning of Ozonation System for our swimming pool.
The capacity is 500,000 liters.

I want guidance from the respected...

hey all- kinda new to pools, but have been studying a LOT about them.

Just got a TF-100 test kit since they were highly recommended- but the chlorine tests are...

Sorry, new to the board and wasn't sure where to post. The o-ring on my chlorine tank somehow got damaged enough that i need a new one. Store had to order it and won't...

Morning all,

first post here, be gentle ...
I didn't cover my pool over the winter and as a result I now have predominantly a stagnant pond the colour and consistency...

Hello

I am after some advice on whether to use chlorine or bromine in our 15 foot pool. It should be up and running in around a couple of weeks so quite urgent. I am...

Hello.
Im new poolboy.i want to asdk,sometning,and i hope to have your help.
In the pool,if ph and chlorio is towh,can to poot together( first ph,after chlorio,in...