Ways to Stick Thermometer?

[jenjen182]

My betta fish has a thermometer in his tank, but for some reason, right after I clean his tank, it refuses to stick to the side of the tank. It floats, so my betta fish is not bothered by it, but I would like to see it so I can check his temperature (he has a heater).

Any tips? Thank you!

[shellieca]

Umm, do you have a suction cup that holds the thermometer to the inside wall? I have certain ones that for whatever reason come "unsuctioned", I just reattach it. It's not uncommon for them to come undone. Make sure the suction cup is not touching the silicone, if there is any.

[jenjen182]

Yes, there is a suction cup, and I think it may be too wet to stick! I have tried re-attaching and it just comes undone again and again. There is no silicone, by the way.

[mushumouse]

the cheap trick to suction cups under water is to wet it, attach it to the side of whatever you're trying to stick it to ABOVE the water, and then slide it down from there to where you want it (you have to kind of press in so it doesn't pop off when you slide it). then there's a little air bubble in there that creates stronger suction. is that what you do? could just be a wonky-shaped cup if it doesn't work after that, i've been battling with one of my stick on shower shelves over this for years. :p

[shellieca]

Usually it needs to be wet to stick.

[jeaninel]

I have this happen all the time and it's really annoying. I think after a few awhile the suction cup gets old and just loses it gripping ability. What I do is clean any algae off the suction cup, wet it, then press and hold for a few seconds. Usually that works but I do have a few that refuse to stay stuck. You can buy replacement suction cups at the fish store or just let them float.
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[jenjen182]

Thanks- I'll get back to you guys and give your ideas a shot!