Balance of humidity and temp problem

[TurtleandJaws]

Hi there, I’m having a hard timing finding the right balance of humidity and temperature. I read on this board that a temp of 80 deg F is ideal for the crabs, but then my humidity increases to the upper 80’s... was trying to keep that between the recommended 70-80 %. I have a 10 gallon glass aquarium with a lid, a 6 x 4 heater pad stuck to the back wall above the substrate, 6 inches of coco fiber substrate with a little sand moistened to sand castle consistency, fresh water and saltwater containers, and sponges. When I try venting the top, the humidity goes back down between 70-80 % but the temp drops to about 75-76 def F. I read the higher humidity isn’t harmful, it can just promote more mold growth which I obviously want to avoid. Any thoughts? Thank you so much!!

[curlysister]

My humidity runs in the 90s, and often at 99%! Mold isn't harmful to the crabs, but it can cause some issues if the humans are allergic. I have only had mild mold problems over the years. If I were you, I would be very happy with your humidity even in the upper 80s!

[HermitofHermitCrabs]

As long as humidity is 75% or higher then you’re good. Mine runs around 85%.

[TurtleandJaws]

Ok great, good to know!! Thank you so much to both of you

[HermitofHermitCrabs]

Ok great, good to know!! Thank you so much to both of you

No problem.

[JoeHermits]

I’ve had issues with mold in the past, so I keep my humidity in the 70%-80% range, which seems to help.

Temperature-wise above 70F is safe so I wouldn’t be concerned about your dips.

[TurtleandJaws]

Hi there! A climbing wall I’ve only had for two weeks is now covered in mold... should I remove it? I’m glad my humidity is high and the crabs are happy, but if I wanted to get the humidity down to between 70-80% how would I do it? Thank you!!

P.s. how do you post a picture?! Thank you!!

[JoeHermits]

Mold won’t hurt the crabs but it can trigger human allergies. I’m allergic to mold so I try to minimize it when possible.

As for lowering humidity, you could mist less or open up the lid more often. I have a hygrostat that lets me control humidity with greater precision.


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[wodesorel]

You can kill the mold with hydrogen peroxide and then treat the item with heat and salt, and return it once cleaned and dry!

[TurtleandJaws]

Good to know!! Thanks very much to both of you!!

[TurtleandJaws]

Mold won’t hurt the crabs but it can trigger human allergies. I’m allergic to mold so I try to minimize it when possible.

As for lowering humidity, you could mist less or open up the lid more often. I have a hygrostat that lets me control humidity with greater precision.

Thank you!! What brand/type of hygrostat would you recommend?

[TurtleandJaws]

Thank you! What brand/type of hygrostat would you recommend?

[JoeHermits]

I’ve been using the one from PetsPioneer, but anything built for enclosures will do.


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[TurtleandJaws]

Thank you so much!