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Anyone know of a phosphates kit that will measure high levels (2,000 - 5000 ppb)?

Anyone ever try a product called Extreme Clean?

Can someone please tell me the correct balance of Chems for a bromine hot tub (Br, PH, Aly, CH, CYA)?

Thanks. I followed your directions and got an answer (about 6 lbs). I am wondering if I have Mustard Algea. Do you know where I can see a photo of it? To get rid of it requires an algeacide containing copper, right? (Has anyone tried placing copper tubing in the pool instead?)

In a Hot Tub using Bromine as the sanitizer, what are the ideal ranges for the following? Bromine PH TA (Total Alkalinity) CH (Calcium Hardness) CYA

In a SWG pool, what are the ideal ranges for the following? FC (Free Chlorine) PH TA (Total Alkalinity) CH (Calcium Hardness) CYA

Is there a household chemical substitute for Stain & Scale Remover?

I want to shock my 28k IG SW pool. I heard I would need to add enough shock to raise the Chlorine level 10 times the level of my combined Chlorine. The shock I have is calcium hypochlorite. My Combined Chlorine level is 3.4 ppm. Therefore, I am aiming to add enough shock to obtain 34 ppm...

I would like to reduce my dependence pool store purchases as much as possible. Do I need to buy Calcium Hardness Increaser and Calcium Hardness Increaser at a pool store, or can I but them, or substitutes someplace else?

I have a SW IG pool that needs both Shock and Stabilizer (which is just about 1/3 low). Does it matter which one I add first?

Can someone recommend a good test kit for salt level? Is a Total Dissolved Solids test O.K.?

Hi, I have a vinyl lined 28k gal SW IG pool. I just got my test kit today. I have not been able to raise my Chlorine level. I would like to share my numbers and get some advice on what to do. Someone told me that Phosphates can deplete Chlorine, so I tested for that too. Here are my...

I have a recently installed sand filter for my 28k gal IG pool. For the previous 10yrs I had a cartridge filter, that worked fine up until last year. The algea was so bad then, and the earlier part of this year, that I was spending too much time dismantling the filter and cleaning the...