Evolution Aqua Sight Glass with Single Union Ends Dry 1 Gallon on Algae Defense

1 Gallon on Algae Defense diluted with 10 gallon of water will treat 8

but adding the leverage and weight of plumbing and equipment there is no easier or faster way to connect or disconnect two pipes

with the added presence of three proven color enhancers: marigold extract

5 billion CFU (colony-forming units) per ounce

Evolution Aqua Sight Glass with Single Union Ends Dry 1 Gallon on Algae DefenseThese sight glasses from Evolution Aqua allow you to see what is going on in your plumbing, making it perfect for bead filters and other self cleaning pond filters. Instead of going to the drain pipe output, you can easily see when your water is running clear. Simply cut away a piece of the exit plumbing from your filter and glue this sight glass into place. The clear pipe allows you to see inside, while the unions make attaching quite simple. SKU UPC