Okay, so i have a 20 gallon tank right now with one fish, two frogs and two snails. The water has been crystal clear besides the little bit of green algae growing. But yet my fish has ich, and my frogs sit in the same corner for days. not to mention i still cant figure out how to get the water well on the test strip .. The GH level is at 180, The KH level is at 0, the PH for fresh water is at 6.0, the N02 is at 0, while the N03 is at the highest 200. what do I do?