This is a pretty good example of the textured RAIN2 tray holding growth that has dropped off the screen. For best filtering, the screen should be cleaned sooner, but if not the tray will help.
This is a pretty good example of the textured RAIN2 tray holding growth that has dropped off the screen. For best filtering, the screen should be cleaned sooner, but if not the tray will help.
This RAIN2 with two GEM5 lights has more PAR to grow algae than other scrubbers that use big Chinese lights. This is because the GEM lights are made of an expensive material that handles the heat and is submersible too. It's not metal.
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