- Joined
- Apr 28, 2014
- Messages
- 1,630
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- Location
- chicago
- What state or country do you live in
- Illinois
Ok.. so i have a situation. I need to add some urchins asap.. i have a 20 gallon tank that i use as a qt for inverts.. snails hermits ect.. what is the time period to QT urchins.. no fish in this tank.. thoughts please.

