Regan0 Posted July 14, 2020 Share Posted July 14, 2020 I know it sounds really stupid buti am a VERY beginner and have just found the world of saltwater aquatics. I have always loved my friends saltwater aquarium and I want to learn more about this because I love clownfish and want to own 2 some day. Quote Link to comment
Pjanssen Posted July 14, 2020 Share Posted July 14, 2020 Water hardness refers to the amount of minerals, especially calcium, in the water. Quote Link to comment
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