Don’t fear it. Use it as a filter medium and then scrape it off when you don’t like the appearance. Don’t let the algae build up get to the point that it is decaying and sending bad nutrients back into the water.
Don’t fear it. Use it as a filter medium and then scrape it off when you don’t like the appearance. Don’t let the algae build up get to the point that it is decaying and sending bad nutrients back into the water.