Last year I used vermiculite and had slight problems with mold. I also didn’t like how dirty it was. So, this year I switched to perlite. I have tried different water/perlite ratios but have had the same problem each time. The first 40 days of incubation go great, but when the eggs start to dimple the last two weeks the humidity spikes so high that I have to wipe down everything ( eggs included) every other day to prevent mold. Any ideas what I could do to fix this problem?


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