Am pretty sure my new rbta is happy but how do I tell? Within an hour one of my clarkis took to it but I wan2to make sure he's ok. Lighting is a but yellow due to horrible phone cam. Feng's recommendation was not much flow but plenty of light. I have only an eheim 1262 for my 120. Took out my vortech 40s. Have a tang, 2 clarkis, and tigertail goby. Thanks.
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