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I have a 210 gallon tank that is being overrun by aiptasia. 75% of my live rock is covered with them and their beginning to harm my other corals and invertebrates. Is there anything I can do to kill them without harming the rest of the tank?

Feather dusters are taking over my tank. 210 gallon tank that is 18 months old. Brown feather dusters are now covering approximately 80% of my live rock. Is there anything I can do to control them?

I have a large 6-7 in. dia. elegance coral that is losing its tentacles. It has lost 60 to 70% over the last 2 or 3 days. Water quality is good. Lighting with MH and Actinic. Any suggestions?

I have a 210 gal reef tank that is a year old with a 3 to 4 inch sand bed. Everything seems healthy - rock - coal - fish - inverts however my sand bed has developed a brown/bronze top layer covering about 30% of the sand surface. Is this something I need to be concerned about? Should I try...

I have heard several times a clicking sound coming from my tank. It's very noticable and it last for 2 to 5 clicks and then stops. Does anyone have an idea what would make this sound?

I have an aqua medic Turboflotor Skimmer that can handle up to 500 Gal. I'm using it on a 210 gal tank. The unit works well but I'm concerned that I may be over skimming if that's possible. Could I skimming all the nutrients and trace elements out of the water before they can be used by the...

I have a Lighting hood with 3-250w MH and 2-96w actinic Flour. bulbs. Two questions: How many hours of use before these type bulbs should be replaced? How high above the tank (210 Gallon 72x24x29in) should this hood be set? I currently have it sitting directly on the top of the tank and I don't...

I have 250lbs of live rock in a 210 gal. tank. Its been in place 4 months and was doing fine until recently it began to lose all its color turning a milky off white color. Water chemistry test fine. The rock did the same thing when first put in the tank. It recovered over time and regained its...