opening

What’s up guys, so I had a bad algae bloom in the past that killed off a lot of coral, tank had been good. Just a lot of the red cyanobacteria on the sand and rock work that I have to blow off every couple of days . Par near the Acans is about 85-90. My Acans and GSP have not been open in a...

Hey everyone, Im loooking for a good hinge or anything to help open and keep then front lip open for my Canopy that was built. It has some weight to it, so I'd like to make sure it is stronger than what is actually need. Thanks for all the help **Pictures Below**

I purchased a hammer about a week ago and it has not expanded very much. I have WAV powerheads on back of 200gal tank bouncing off front and sides of tank. (set between 1 and 6% power) I have ATI Hydra 26 HDs' (4) Tanks is about 4 months old with some live rock and most dry rock with live 2 inch...