where do I begin, whats your nitrates at ?
also 3 urchins in a 29 gallon ? I will just assume its a big black spiney urchin, which can theoretically get bigger then your tank. To have 3 of these seems like alot to me.
Spines falling off = water quality a good majority of the time.
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Two clownfish were in a tank. One says to the other, how do i drive this thing?
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