LewA
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Posts posted by LewA
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I have a 29 gallon aquarium with Eco-Complete substrate, planted with both an on-back filter as well as a sponge filter. My tank has been setup for about 1 1/2 months with weekly 25% water changes, and seems to be fairly well cycled with consistently 0 nitrites and ammonia, and nitrates maintain between 10 and 25 ppm. I use the Aquarium Coop test strips for daily testing. However, I am consistently getting low KH (40 ppm or less), pH about 6.8, and my water is hard with GH consistently between 150 and 300 ppm. I want to elevate my KH to the moderate range of 80 to 120 ppm, but I am concerned that using crushed coral will also increase the hardness even more. My plants seem to be thriving, as do the fish (after losing my 2 male guppies and 3 otos over the last few weeks. I have minimal algae. So, if I add crushed coral to elevate the KH, will this make problems for my already hard water aquarium? Or, is it best to add the coral to my filter? Thanks!
Water parameters consistently low KH with high GH
in Off Topic General
Posted
Thanks, ScottieB for your thoughts and for the informative reference!