Pond Boss Forums INTRO Questions & Observations pond filling,want clear water

He probably means barley straw but I'm not convinced of its effectiveness. Effective algae control is achieved when taking a multi-angled approach. Limit sunlight penetration that reaches the bottom and bind nutrients. Algaecide works on existing growth but then you are treating the symptoms of a deeper problem. You don't have an algae problem. You likely have a nutrient problem.

The holes in your diffusers should be so small that you cant see through them and there should be thousands of them concentrated in a small area or disc. You can build your own compressor but I highly recommend investing in some well made membrane diffusers. Aeration is not intended to keep muddy waters clear.