Are your #4's on a Timer to come on and off? If so that could cause some issues as well.
Are your #4's on a Timer to come on and off? If so that could cause some issues as well.
55g with (2) 250w MH electronic ballast w/ Reeflux 12k
SPS reef . 2-Koralia #3's , 30g-ish Sump.
RedSea Berlin Turbo Skimmer, Teco Chiller