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Recently my zoa's arnt opening up all the way, it's only this one kind of zoa's that are having this issue. Everything else in my tank is doing fine, there isn't anything around to sting or bother it that I see. It's been in this location for a year with no issues. Any ideas of what could be...

I have the Coralife 32 biocube nano.. Have the normal return pump it comes with and had a 240 gph powerhead in there which still wasn't much flow at all. I took out the 240 and put in a 800 gph powerhead which is now ripping! It looks almost to powerful but I just put it in so corals haven't had...

Not sure how this is possible but my SPS is turning green. Had a blue tort and a couple months later it morphed into a green color. thought it was weird but later I added a garf bonsai which was brown/purplish at base and blue at tips now the brown purple has turned into the same color green...

Looking for a refugium light that could mount on the back of my tank (Have a 45 jbj rimless with filtration behind display), any suggestions of a good one thats reasonably priced?

I have the radio xr30 lights and was wondering if anyone changed the lenses with the wide eye lenses to help with shadowing. I feel like only the corals directly below the lights really benefit. thanks in advance.. -Chuck

I have two returns on the back wall, should I put my powerhead on the side of tank and in center of tank so returns and powerhead all blow same direction.

I have one of these sk 45 and it seems to work good for short periods of time. took it to the LFS and they opened it up and cleaned something and it worked fine again but now its not really producing the foam/bubbles like it use to again about 3 months later. I took it apart a little bit and...

My friend gave me his 32 gal bio cube full of fish and coral and the tank looks great corals thriving but I HATE the spectrum. it seems like its all or nothing.. Is there a way to mess with these lights at all to give it more of a 12k-14k look?

I have a JBJ 45 and one of my return pumps has a constant stream of micro bubbles being blown into the tank. I took the pump out cleaned it, made sure hoses were sealed tight, I have to pumps in same chamber only one is blowing out the air bubbles, water level is where is should be, checked the...

My friend has a SPS under T5 and is thinking about switching to LED. Any SPS guys out there having success with LED's?

I woke up this morning and a head of my frogspawn was laying on the sand bed and looks like another head is halfway hanging on. I noticed one of my emerald crabs right by it but I don't think he would mess with them. anyone have any ideas what could have caused this?

Any like API for alk and calc? I tested them against my redsea test kit and they're pretty close so for now just using API since its so much easier to test.

I have a JBJ 45 rimless which doesn't have a sump so I just have a media contain on each side with 3 chambers each. have a sponge on the top one of both chambers, I run one carbon in the middle and ceramic in the bottom of one and the other side I run gfo in the middle and have the bottom empty...

Any tricks I can do to get my clown to host my anemone? I have a couple rbta in the tank and my snowflake wants nothing to do with them.

I run tropic marin pro reef in my tank and I have a hard time keeping calcium up. But when I dose calc from 380 up to 420 it drops my Kh from 9 down to 7.5 so thats my question.. When you dose your tanks, do you do a little bit of calcium at a time then 30 min - 1 hour later do a little Kh then...