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I also have hard water but my fish are fine with it and the calcium lines come off if you rub them every week when you do your WC.remy113 said:Anybody knows a way to bring the hardness of my water down? The strips say it’s high but also I can see a dried white film if I think calcium forming on my glass and light and filter anybody know of a way to fix it with out at chemicals. It’s hard straight from the tap to start with
It’s doesn’t seem to be bothering the fish(gold fish 2) just hate the white build up and watered to make the tank look better with out the white build upmaggie thecat said:You can cut your tap water with R/O or outside sourced water that is softer. There are chemical treatments you can add.
But you have to ask if altering your gH is strictly necessary. Livebearers and invertebrates thrive in hard water. As do some cichlids. Even fish traditionally considered "soft" water fish are often commercially raised in water that is harder and more basic than their wild forebearers .
So are you doing something that really requires altering your water chemistry? Or is it the aesthetic of calcium buildup getting you down.
If it's the latter, I recommend white vinegar. Works a treat, and overspray from a bottle won't harm your tank.
(In case you're wondering, my water registers as liquid rock, and I have had both cory and tetra, as well as livebearers, successfully spawn.)