Tan Tran Posted May 5 Share Posted May 5 Ammonia 0 nitrite 0 nitrate 20ppm ph 7.4 gh 3dH kh 8dH I read that goldfish healthy in hard water so I thinking to increase my water hardness to 15dGH and 10dKH. So I have seachem equilibrium in hand but not sure if I understand it correctly. My questions are: Is the 15dGH too high or too low for the fishes and plants in the tank? Is it safe for the fishes if pH wings to 8? Thank you everyone! Link to comment Share on other sites More sharing options...
Chris Posted May 5 Share Posted May 5 Goldfish are about as hardy as they come, IME. I'd recommend against the Equilibrium and use crushed coral instead. Its a much more gradual way to accomplish your goal, and will put less stress on the fish. 1 Link to comment Share on other sites More sharing options...
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