leds

hi everyone, I have a jbj 28 gallon aio with 27 watts leds 1 watt actinic. Ammonia, nitrite and phosphates 0 while nitrates low at 5-10. Calcium at 440 and kh 6-7 and i dose w seachem 1 and 2, target feed w phyto and brightwell. I always dip new zoas w coral rx and acclimate low then move...

I've read a ton of posts, found the manufacturers specs and I still have no clue on the height for these Black Box leds I have. The specs say 6" above the tank due to the optic lenses, at 90 degrees. Original owner had them at almost 20" above the tank and lost a ton of corals. The tank is a...

Just equipped the temporary frag/grow out tank with Gen4 Pro radions yesterday. Was previously running 6 bulb T5 on the 40 long tank. Immediately I was disappointed in the level of disco ball effect from the LEDs. Going to attempt some solutions since the reduced electricity bill is the...