Installing a chiller may help alleviate this issue by mechanically cooling vs evaporative cooling. In NEOH, its kind of a waste though unless your house gets really hot. No matter what, you will still have evap, especially in winter when you ambient humidity is lower.
I agree with the suggestions of the others. The cons outweigh the negatives in most cases as you will drastically reduce gas exchange.
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BS in Marine Bio ('96), First SW tank in 1992.
Current Tank(s)
300g SPS with 90g frag tank and 40 anemone tank - decommissioned
46g LPS/Softy Cube
300g FOWLR under construction - decommissioned
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