Re:90G set up for mandarin,seahorse,coral system etc?

Pete Giwojna

Dear Clintos:

Yes, sir — if you can operate the algae turf scrubber on a reverse photoperiod, that should be more than adequate to minimize the daily swings in pH, CO2, and O2 levels, and help stabilize the water quality parameters in your display tank. In that case, there should be no need to manipulate the photoperiod in your sump or to keep it illuminated at all.

Yup, I do I indeed think that the Botryocladia "red grape" macroalgae and the Dragon’s Tongue red macroalgae (Halymenia) would look nice in your display tank and they are certainly worth trying in your main tank. They don’t grow fast and aggressively, and there should therefore be little or no danger that they will take over the tank or overgrow the corals and frags.

Best of luck with the remaining preparations for your fascinating project, Clintos!

Pete Giwojna

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