How deep is your sand bed , and is your rock pushed below the surface of the sand?
What is the coldest your tank gets? And in your sand bed?
Ninelive$
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 NineLive$
280 gal Lee Mar w/ 2" ID returns and supplies (x2)
Dolphin 2" pump with 2" supplies and returns
2x 250 watt MH 10K
6x 96 watt actinic
300lbs LR
Mixed reef
180 gal acrylic sump w/Euro skimmer w/ 2 pumps
2' x2' ball of chaeto and 100lbs LR
509 Deltec carbon/phos(2 to 1) reactor
96 watt smart 20 hours on
Scuran 1000i Cal reactor 6.5 ph
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