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I have a maze brain coral that is starting to get some algae on the edge. Can I try to brush it off or will this damage the coral? Any suggestions on how to remove algae?

My new Profilux standalone doser arrived and this will be my first time dosing. I am having trouble trying to program the new unit. When I turn it on the language is in German and cannot seem to change it to English. I have tried using the arrows but the language is only in German. Please help...

I just wanted to share something stupid I did. I noticed my brain coral and three favia corals were starting to recede around edges. I checked my water parameters and they were good. I checked my RO/DI unit and saw that the output was not 0. I only had the unit for 10 months and just replaced...

I was wondering if you heat your auto topoff water or not?

Hello, Just starting my new 75 gallon reef tank. Have had freshwater fish for 30 years and have decided to take the plunge into saltwater as it has always been a dream of mine. I am starting a 75 gallon with a 30 gallon sump/refugium. I have 75 lbs. of rock/20 lbs. is liverock. Two Koralia 750...

Cycling my first 75 gallon reef tank. Please ID hitchhiker on my live rock.