HCA: Hermit Crab Association

I have a 29gal tank with a flukers heat mat taped against the back wall on the right side. Right now my tank is reading about 71 to 75. I like to keep my room temp about 72. With the winter months coming up i dont want them to die. I do also have a night glo light that come on at night. Im afraid th...

Quick question. Can a coconut fiber floor mat be use for a climbing wall in a hermit crab tank?? I saw something on amazon that i was looking to get.


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The only crab that i have right now has been down for about 3 1/2 weeks hopefully molting. The las time i had a crab go down it never came back up alive.


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Have you doubled checked these readings with another temp/humidity gauge? Years ago I had a problem with my heating system and lost heat for a couple of days (still had electric). I had a large aquarium with no tank heater because the room temperature was always around 75 degs F. So I went and boug...

I have a shower caddy with shells in and i have some just sitting on the substrate


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My one friend had a crab that did that before. I was watching her crabs one time while she was away.


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Is it ok that the humidity fluctuate from the mid 70’s to the mid 80’s all day long?? My digital humidity/temp likes to read different numbers through out the day. The temp like to between 75-79 but, i had the humidity read one time 71 then later in the day 81.


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Just to add, now that I have time... I actually had API dechlor without the slime (stress) coat. API - Dechlorinates aquarium water, Removes chlorine, chloramines & heavy metals. Prime - Removes chlorine and chloramine, Detoxifies Ammonia, Nitrite & Nitrate. (+ on the back "It will also detoxify an...

This is what my digital was reading this moring.




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I do have a glass canopy on it. I do also have a regular tank hood that i have just for light on it. The crabs seem fine right after i get them going to food dish and eating and climbing everywhere. My 2 water dishes are the medium ramp bowls.


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I had lost about 3 crabs within a month and a half. I dont know why it keeps happening. 1. What kind of substrate is used in your tank and how deep is it? EE and sand with more EE then sand and its about 6inches 2. Do you have gauges in the tank to measure temperature and humidity? If so, where are ...

Last week i accidentally uncover on me of my molted crabs while changing the water dishes. So, i carefully moved him to the moss pit thinking that one of my other crabs would not bother him. So, the next day one of my other crabs found the freshly motled crab there. So, i did a quick thinking and ha...

Xenocrab wrote:What do you have your uth insulated with? We use Polypro from Lowe's.

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Its just attach to the back without insulation



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I Have a fluker 17x11 uth mounted on the back on my 29gl tank. I dont think its keeping the tank warm enough. I do have my Ac on in my bedroom since it gets really hot in my room in the summer. The tank temperature reads arounds 71-73. Is there anything i can do to bring up the temperature. I was th...

29 gallon