Looking to ID Algae in Sump

[CHEAPREEF]

Originally Posted by Myka

If you make yourself a DIY Pax Bellum style Chaeto reactor it will grow Chaeto like nobody's business. Powerful nutrient reduction.

Would def watch out running one of these, the LED's wrapped around acrylic have been known to cause stress cracks and eventually fractures. The don't generate a lot of heat but when it's pressed directly onto the surface like that it is focused enough to be a issue.