My water hardness of my tank is 300ppm what can I put in it to lower the hardness? or is the hardness not to important as the other tests? everything else is the normal reading for my water.
I have stocked mollies, dalmation, guppies and a betta. its a 30 gallon tank.
I have stocked mollies, dalmation, guppies and a betta. its a 30 gallon tank.