Jumbo Slim Posted August 30, 2021 Share Posted August 30, 2021 Hello all. I have been keeping fish casually for over 30 years but I am not nearly good enough to be at nerm level! I just moved to a new house and it's my first time having well water or hard water. Being a long time viewer of Cory I decided to order the COOP test strips. I ran a couple through my water. Everything was as expected except that the hardness turned a color that isn't even found on the bottle. Does this mean my water is harder than hard or what? Here are the results. 1 Link to comment Share on other sites More sharing options...
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