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I just went to Leslie's to have my water tested. The CH is low (<100). Is my test kit bad or their test is not good (they use test strip to test CH)? I'm using K-2006.

Per the instructions, after adding R-0011L, "if calcium hardness is present, the sample will turn red". In my case, the sample didn't turn red. It's just a bit pink (similar to 0.2 FC in chlorine test). As I said, I added 30 drops of R-0012 and the color didn't change. I thought it's no CH. I'm...

I tested CH in my pool. When I put in R-0011L, the sample turns a little bit pink. However, I added about 30 drops of R-0012, there is no change in color (it remains clear with a little bit pink). Is it no CH or too much CH?

Thanks for your quick response. It's out of stock near my place but I'm fortunate to find it in stock in a store 10 miles away. Not bad :)

Hi, I need to increase calcium hardness. I see "C-Force 50 lb. Calcium Chloride Flakes" from HD at $17.97: http://www.homedepot.com/h_d1/N-5yc1v/R ... reId=10051 Can this be used to increase calcium hardness for my pool? Thanks, Min

Thank you for the advise.

Hi, I'm new to TFP and found people here are very helpful. I like to get advises from knowledgeable people here. My filter pump is Hayward Super Pump SP2615X20. There was a crack on the housing and we had it replaced last year. However, the pool guy replaced my SP2615X20 housing with a...