Quote:
Originally Posted by hkgar
Iread somewhere that SPS corals get little additional benefit from more than 6-8 hours of lighting. Do some checking in the SPS corals forum. You might try reducing lighting gradually and see how the corals react. My judgement of coral's growth is the uptake of Alk. I use a little over 2 dKH /day.
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My LED's are on 6 hours a day, so I'm right at the bottom. The T5's which are on quite a bit longer are just two 5 foot bulbs over a 180 gallon tank so I can see things in the morning, hardly providing sufficient growing PAR for the over 1/2 way down. I too measure my growth in ALK usage and recently went from relying on an AWC system to dosing to keep up, thus my comment that my current setup is working and using general caution on changing it, no matter what "they" say. I'm only a few years into this hobby and I've lived out the mantra that nothing good happens fast, but I can also personally attest that the wrong "slight tweak" can prove that bad things can happen much faster.