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· Summer and Alyssa's Daddy
2,687 Posts
I guess the Hach kits are great but I like the Hagen kits for Calcium. My sailfert kits are probably more exacting , but I have problems with the color scale reading. However i can't stand the Hagen Ammonia and Nitrate kits, they don't do saltwater correct IMHO. Even though they are great for Freshwater.
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