i have a 120g tank that i am adding my clean up crew slowly. right now i only have 5 dwarf hermit crabs, 1 turbo snail, and a fighting conch. i figured i would get something exotic. but what more can i get to clean the glass in the tank? also i have found that my crabs are climbing the walls of the tank! is there some way to keep them down? it is just in the corner where the silicone is. also i am going to buy a larger fuge tomorow that is 36x16x18 i would have to imagine that the fuge should hold about 30-40 gal so should i fill the fuge and let the water in it cycle before i hook it up? or would it be fine to add that much new water to the aquarium? One more thing i just got a new test kit finally so what should i regularly test for? i know nitrate,NITRATE,ammonia,ph is there anything else?(or am i wrong on any of those?)
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