I'm not back home till sat so I will measure hight forsure. How will I know if I can ramp them up? My anemone and softies seam to love it

So light is 10 inches above the tank and 24 inches above the sand. What % should I be running my lights at. And every time I add coral I should use the acclimation setting and how low should I go to acclimate them?

Dude you've had your Sols since July. I highly doubt that they killed your SPS. I don't acclimate any of my corals with lights. I'd place them near the bottom and slowly move them up over the weeks if your going to do anything. I'm thinking it's the other problems that killed them. If your away from your tank for long periods of time than maybe SPS is something to avoid until you can monitor them daily. Your settings are fine if you've been running Sols for that long already.

So what % can I get away with? I was assuming it was my salinity that was screwing me.

So after a flood and visiting Wes today I decided to check my po4 at nighttime when the lights are off and only my cheato is growing and I got 44! On my ultra low range checker=.134!!! Wow going to replace the phosgaurd in my reactors tommorow!