Fussion 700 Air Pump is a very quiet pump; it puts out lots of air, and is adjustable down to a very low flow. It has tw...

This is a hand-built Hang-On-Glass (HOG) Upflow Algae Scrubber, magnet version, for up to 1/4" (6.25mm) glass or acrylic. The HOG....

This HOG1 is a HOG Scrubber (tm) with over 24 square inches (150 square cm) of algal growth surface, which is designed to abs...

This is the first larger Hang-On-Glass version of the standard HOG.5, HOG1, and HOG1x algae scrubbers, which were the first HOG sc...

This HOG1x with 4 LEDs is a more powerful version of the HOG1 which has 2 LEDs. Not only is the lighting twice as powerf...

This is the first larger Hang-On-Glass version of the standard HOG.5, HOG1, and HOG1x algae scrubbers, which were the first HOG sc...

This is the first larger Hang-On-Glass version of the standard HOG.5, HOG1, and HOG1x algae scrubbers, which were the first HOG sc...