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What are you using to test for Mag? My red sea Mag test is very old and reading levels off the chart, which doesn't seem right as I am not dosing for mag. (Im sure the test has expired) I am using Hanna checkers for calcium and alkalinity. Any recommendations on best test kits for mag?

Merry Christmas to us! We purchased the ATI Powermodule (8 bulb) for our 60 gallon cube. Unfortunately, we didnt realize that the software is only compatible with Windows and we only have a Mac. I am now banging my head trying to figure out the best manual settings. Anyone have experience...

I bought a BTA and a small pair of clowns yesterday. The clowns seemed interested in the BTA during acclimation, but can't find the nem now that its in the tank. I woke up this morning to a slightly cloudy tank, and the rest of my coral does not look happy. Any advice or assistance on...

I drilled my 29 g biocube with a 1 inch drain and 3/4 inch return as suggested by others on here. I filled the tank and realized that I have a small leak on the 90 degree elbow thread on my return. Is there a way to patch this or a putty I can use (rather than cutting it apart) to seal this...

Hello Everyone, I recently picked up a 29g biocube and would like to add a sump. I plan on drilling the tank, but am not sure what size my drainage hole and return hole should be. From what I have read, I should have a 1" drain hole. Should I also have a 1" return hole as well? I plan on using...

I just got home from work, and my acans (that I was admiring last night because they looked great) appear to be melting. Everything else in the tank looks good and very happy. what could be causing this? I haven't made any recent tank changes. Thanks in advance

I have been getting an orange growth on the bottom of my tank. The tank has been established for about a year and a half. Any idea what it is and how to get rid of it?

We currently have ecoxotic LEDs set up on our 30 gallon tank (mixed reef tank). There are 4 strips of blue and white LEDs, and we have 3 stunner strips of blues and magentas. How long should we be keeping our day lights, and "night lights" on for? Thanks.

We moved around some live rock today to make room for some new frags and found this guy nestled underneath one of the pieces. Any idea what it is? The tips on it are pink.

I am relatively new to the hobby and came home from work to find our 30 gallon tank looking very "sad," only to find that something must have shorted in the heater. The tank water was up close to 100 degrees. We took out the heater immediately and did a 5 gallon water change to get the...