Quote Originally Posted by Bogertophis View Post
Algae wouldn't have crossed my mind either. Maybe it's still in the black tubing...you just can't see it? (LOL)

You could maybe use some black duct or electrical tape to wrap this tubing if you don't want to switch it out.

Anyway, looks good otherwise. Given the choice & not thinking about algae, I'd have chosen clear tubing as well, to be able to
see any issues in the tubing. Wonder if you could prevent the algae by occasionally pumping out the tubing w/ something to clean it?
Black tubing doesn't build up algae since algae requires photosynthesis to grow, without light it can't grow inside. Light can enter the clear and allows it to grow.

Other gunk can build up in the black, so you should clean the tube every month or two. (Usually vinegar or diluted vleach) RBI sells a piece to out at the bottom of the rack tubing that lets it drain easily through.

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