Best Way to Monitor Humidity and Heat

This is where you discuss the conditions of your crabitat -- temperature, humidity, substrate, decorating, etc.
Post Reply

Topic author
finleyfoo
Posts: 49
Joined: Thu Sep 13, 2018 2:48 pm

Best Way to Monitor Humidity and Heat

Post by finleyfoo » Wed Oct 17, 2018 2:55 pm

I have a 20 gallon glass tank with a glass top that is hinged. I have 6 inches of substrate and 2 water pools with bubblers. I also have moss in the crabitat. I have a dual thermometer/hygrometer - analog purchased at Petsmart - for monitoring. It tends to show about 70-75 degrees F and about 70-75% humidity.

On the advice of someone on this forum, I put in the tank an Accurite (I have several I use in various rooms in our house) and the numbers are really different. It shows 75-80 degrees F and 95%+ humidity. Can that really be right? I know you can never have enough humidity but I also don't want to grow a ton of mold for no good reason. I have tried venting the lid some in the evening, but that doesn't even lower humidity. I have also turned off the bubblers and that has not lowered it either. I do have some condensation in the tank and the substrate is pretty wet (it comes like that in the package - Fluker's All Natural Premium Sand Substrate Mixture for Hermit Crabs.

Should I be doing anything differently?

User avatar

aussieJJDude
Administrator
Administrator
Posts: 3984
Joined: Fri Feb 24, 2012 8:12 pm
Location: Melbourne, Australia

Re: Best Way to Monitor Humidity and Heat

Post by aussieJJDude » Wed Oct 17, 2018 4:25 pm

If you really want to lower the humdity, you want to have adequate gas exchange take place. So that means a greater area where the moisture can escape from the tank.


Analog gauges tend to be a little more faulty in comparison to digital - both do have their problems though! - so consider a calibration to ensure accuracy.

Sent from my SM-G935F using Tapatalk
Crabs || Fish || Shrimp || Snails || Plants || Insects

25G Nano Freshwater || 64G Freshwater Community || 90G Fancy Goldie Pond || 64G Crabitat
I've never had any problems with 'Impulse Buying'... They're just things I forgot I had planned to get || Self Designated 'HCA Pic Fan' 2012+

User avatar

ciaraalston
Posts: 1111
Joined: Wed Apr 04, 2018 3:33 am
Location: Louisiana

Re: Best Way to Monitor Humidity and Heat

Post by ciaraalston » Thu Oct 18, 2018 12:21 pm

Here's the link to the guide Image

https://r.tapatalk.com/shareLink?url=ht ... are_type=t

Crabitat: Calibrating a Hygrometer

Sent from my SAMSUNG-SM-N910A using Tapatalk
4 purple pinchers & 2 ecuadorians living a life of luxury in south west Louisiana.
Follow my hermit crab learning journey on instagram! @hermitcrabs_in_the_boot


Topic author
finleyfoo
Posts: 49
Joined: Thu Sep 13, 2018 2:48 pm

Re: Best Way to Monitor Humidity and Heat

Post by finleyfoo » Thu Oct 18, 2018 9:47 pm

I did the salt calibration test. The analog was 15 below (55 when it should have been 70). The digital was 10 above (80 when it should have been 70). I could not adjust either but at lest now I know. So if my analog has been saying about 70% really it has been 85% which is of course why I see condensation. And the digital has been saying 95% which is really 85%. So the answer seems to be that my humidity is good no matter how I am measuring it. Now how to tell if the temp is actually accurate...

User avatar

ciaraalston
Posts: 1111
Joined: Wed Apr 04, 2018 3:33 am
Location: Louisiana

Re: Best Way to Monitor Humidity and Heat

Post by ciaraalston » Fri Oct 19, 2018 5:16 am

finleyfoo wrote:I did the salt calibration test. The analog was 15 below (55 when it should have been 70). The digital was 10 above (80 when it should have been 70). I could not adjust either but at lest now I know. So if my analog has been saying about 70% really it has been 85% which is of course why I see condensation. And the digital has been saying 95% which is really 85%. So the answer seems to be that my humidity is good no matter how I am measuring it. Now how to tell if the temp is actually accurate...
We ordered a small temp gun off of Amazon for like $7. Shoots a little red laser and measures the temp pretty accurately. We've tested it and it's always correct give or take 1 degree.

Sent from my SAMSUNG-SM-N910A using Tapatalk
4 purple pinchers & 2 ecuadorians living a life of luxury in south west Louisiana.
Follow my hermit crab learning journey on instagram! @hermitcrabs_in_the_boot

Post Reply