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2 reviews
italianscrivo10 Oct, 2018
Convenient test for Calcium
I didn't buy this product for my swimming pool. I am a chemist and I needed it for an analysis. Pretty sensitive. Only wish they stated which, of at least two different calcium indicators this is. Oh yeah, you'll need to make your sample alkaline for maximum sensitivity and stability of the color. A few drops of ammonia works great but so should bicarbonate of soda. Color change deep blue to red violet or red.Read full review
Verified purchase: Yes • Condition: new • Sold by: recreationdisco...
ralqasem27 Dec, 2018
Great
Thanks
Verified purchase: Yes • Condition: new • Sold by: recreationdisco...