Waterbox 20 cube, two hydra 26's?

[Ogi]

Ok so this tank is a 20 gallon aio cube, 40cm wide, 45cm long and 40cm high. My question is what percentages to run 2 hydra , yes I know this is insane!

I plan to keep zoas, chalices and acans.

 

[ryeguyy84]

Why 2 on such a small tank? Those are not really high light demand corals

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[Mrtakeoff53]

Your lights are absolutely overkill for those corals. Chalice like low light and acans/zoas are more medium light. 2 hydra 26’s and your going to destroy those corals. If you must run both, run them at like 20-30%.

 

[TDChu]

My 20 gallons tank has alot of light with a hydra at 50-60%