I appreciate all of the feedback on the weird substrate that was in there before from the previous owner and that the placement of the heaters was wayyyy wrong. With my one crab that has surface molted and then lost his shell, and my other 5 that I had not seen in a few weeks, I bit the bullet tonight and decided to dig everyone out and replace the sub.
150 lbs of play sand and 3 bricks of EE and lots of DCWater, I think I have it "right". Please critique me and let me know if this is better. Yes it is sandcastle consistency.
40 gal breeder tank, 1 large heater for a 30-40 gal on the back (above sub) and 1 small heater for a 10 gal on the side.
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