Don't know what to do, some input on lighting please.....

[phi delt reefer]

How far off the sandbed are your lights? If they are t5's you should probably just rest them on the rim of the tank - from what i read (could be wrong) t5's max out at a depth of 20-24".

The Powermodules have much higher PAR than all other t5ho fixtures so they still work well at those depths.

Reefgeek has 10% of this weekend on the sunpower models.