Sump humidity high - anyone use a hygrometer?

My bad@$$ 90g /40b sump african cichlid has passed the impressive milestone of running one week! Talk about longevity! Lol



I have 2x 80mm 28cfm computer fans blowing in the cabinet. The sump has a lid, also has a few air driven sponge filters and the like inside along with a 2ft tall trickle tower. The back is partially closed maybe 10% open

I added a cheap digital hygrometer (humidity meter)

Humidity stays around 60% and often spikes to 70%

Is this too high? The interior of the stand is painted with bathroom mildewcidal paint. Will I be ok with my air movement?

Im considering an additional (3rd) fan blowing out the back of the stand.

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I had really bad mold issues in my basement where I kept fish. I kept the basement at 35-40% with a dehumidifier.

The rest of the house upstairs fluctuates alot but ita normally around 50% due to winter setting in.

I was just concerned about mold in the stand. When I open the door and stick my head in there I can feel the hot humid air.

Good to know I've gotta be near 100%. Thank you

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rodger said:

You had mold problems and your humidity was below 50%? Did you have good air flow? If not there could be areas that had higher humidity like up in the floor joists. I have a ceiling fan in my fish room to keep any areas from getting stagnant.

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Click to expand...

I had mold problems prior to the fish or the dehumidifier.

It was a rental and I have no idea what happened down there before I moved in. There was a considerable amount of black and green mold. It wasn't terrible most was near the floor. The landlord was overwhelmingly apathetic. I sprayed the mold spots with undiluted bleach. Then covered them in a thick paste i made from borax and water. It crusted over and encapsulated the offending areas. Borax has anti mold properties as well.

Then I dried the place out. Dryer than the shahara. And i keep it that way. Its been a couple years since I took care of the mold. No signs of it making a comeback. Its barren and inhospitable.

Listen up kids -
Mold is dangerous. Have it professionally removed. If your land lord won't help - pursue the proper legal channels. You have rights as a renter. Don't be dumb.


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