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R2R Secret Santa 2021Build Thread Contributor
So today mine decided to frag some Zoas and wear them as a hat. What are yours wearing today?
For the short spine and pin cushion I would say there are not really any minimums as long as theirs sufficient algae growth or food. Mines in my 65 gallon. Your long spine urchins may require a similar or larger size due to the length of spines can be quite long.Now I want an urchin! What is the min tank size for an urchin?