rbta

My fifth grader's science class has a SW tank that has looked great until the last month. She noticed that it appeared to be shrinking & I had discussed lighting with the teacher, who had a problem with her original lights & was running only a small one for some time, she recently purchased &...

So I have had my 120g up & running for just over two months. I started with new live sand from SE, but moved live rock from my two 55's, so it didn't have to really cycle like starting from scratch - I know that six months is usually the minimum for an anemone, but I've been told by some...

After several months (like six) of apparent happiness in it's current spot, today my nem is not rising in the tank since the lights came on. The clowns are still hovering around/in it, but it's just staying sort of smallish, and down in the rocks. Nothing has changed in the tank.... What do...