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I recently bought some used rock from CL. This rock has not been used in years so I washed it off and put it in an extra tank I have with just RO water. I have a filter going on the tank and am just wondering how long I should let it soak and if I should actually add salt to water or just keep...

Is anyone using this skimmer or have used it in the past? There is one on CL for $220 new in box and was wondering if it is a good skimmer new it is around $300 I think. Thanks...

I believe what I have is cyano and was wondering what the best way to get rid of it is. Any help is much appreciated thanks....

I have these all over rocks and powerheads don't know what they are. They are small white cylinder looking things that are fuzzy and have almost what looks like a feather duster head in them pic is hard to see.

Ok so there is a person on CL that is selling live rock and coral frags. I want to buy some live rock to add to my current rock but don't know if adding the new rock will cause a spike even if I transport the new rock in buckets of water. The seller lives within 20 min of my house so they...

I'm getting ready to switch out the sand in my tank because my sand is so fine it never settles. My question is I am gonna buy pool filter sand and didn't know if I need to rinse it really well and if there is any chance anything harmful could be in the new sand to. Thanks for the help...

I am thinking about removing sand from tank and putting crushed coral back. My tank is always cloudy looking from so much sand in water column and keeps cover rocks so how deep should I go with crushed coral?

What looked like diatom at first now looks real hairy it's base is brown but hairs growing out if it. It isn't on my rocks just sand bed. What is the best way to get rid of it? I have done a massive WC to remove ammonia spike should I just leave lights off? I'm just so frustrated with this whole...

Does anyone know what kind of ballast a 30" aquaticlife 4 bulb uses? The bulbs are 24" long the actinic bulbs wont come on and after switching whites over they wont turn on either so figure it has to be ballast. Also where is the best place to buy one? I wanted to pick one up on way home I...

Can diatoms kinda be hairy? My tank is two months old and just past two days it looks like a diatom outbreak but the some of the brown looks kinda hairy. Is this diatoms or something else?

Is this hair algae? Its growing in my sand bed its only about a 1/4" tall..

I am ordering new PHs for my tank and I was wanted to know what you guys thought as far as GPH. I have a 36 gal bow front with live rock but I am getting ready to turn it to a reef tank. I was wondering if two 750s are enough or go with two 1050s. Any advice is appreciated...

I really hate my sand bed. There is always little pieces of sand floating everywhere in my water column making the tank look cloudy. Does anyone else have this problem or am I doing something wrong. I have a 36 gal bow front..."small I know!!" But I am trying to learn about SW before going...

I think I messed up today....bought a Red Scooter Blenny before I did any research on it "impulse buy." My tank is only about three months old and don't know if I have any pods for him to eat. Now I know they are hard to keep so what are my options...should I see if I should return him to LFS or...

I am starting a salt FOWLR. The tank has been running for almost three weeks. It is a 36gal with 16# of live rock, I have four turbo snails and five crabs which have been in the tank for two weeks. Filtration is an aqua clear 300. My question is that my levels have been pretty decent through the...