water issue

Hi I'm new and have a question regarding PH lowering. My tap water normally comes out at 7.4 and I have been told that 6.5-6.8 max is optimal for the fish I keep. PH has never presented an issue for me as the fish I have have always appeared to be fine in the water range I currently have...

Hello all, so i had major algae bloom in my 75g tank that ive been battling for a couple weeks. It all started with me putting in an algae wafer for my plec to eat, and im sure because he didnt eat it all, it caused some cloudy water that i didnt like. With me being impatient, i took out about...