How Much Nitrate Should Be In A Fish Tank
In freshwater aquariums, nitrates should be kept below 50 ppm at all times, and preferably below 25 ppm. If you are breeding fish, or are battling algae growth, keep nitrate even lower, below 10 ppm. What nitrate level is safe for fish? Nitrite levels above 0.75 ppm in water can cause stress in fish and…
