clowdy water

[Silverfish]

Hi Marco, it could be cloudy because your tank is still so young, the fine sand hasn't become coated with bacteria enough to let it settle down yet. Has your tank been clear before and just started becoming cloudy? If it has been cloudy all along, just give it some more time and it will eventually calm down.

If a powerhead is banking off of the glass it can stir up the sand quite a bit. Maybe try pointing the outputs of your PH's at one another to get the turbulence, but not stir the sand so much.

You could also try less powerheads for a bit and see if that changes anything.

Also, is your skimmer running well? That will help clear out your water fast too.

Hope this helps you "clear" up your problem. :D