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Old 02-27-2007, 11:43 AM   #1
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Aquarium Safe Adhesives?

What adhesives can I use for equipment that will be in the tank and not have any effect on water?

I am sick of how my penguin powerheads very very poorly attach with a single suction cup and I am planning on modifying them so they actually function without being a royal pain half the time.

please recommend a few readily available adhesive choices to me.

Thanks
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Old 02-27-2007, 11:48 AM   #2
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Silicone, but it needs to adhrere to a dry surface... and cure for 24 hours

maybe the suction cups you are using are just not good suction cupts... after a while, i notices that mine lose their elastic nature and start to fail... whats why i look for those suction cups at the dollar store that have the plastic hooks going through the holes... i simply remoce the hooks and mount the cup with cable ties to what i want to hang...
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Old 02-27-2007, 12:08 PM   #3
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Most suction cups will fail after awhile. Didn't your penguin power head also come with a tank clip to hang it off the side?
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Old 02-27-2007, 12:15 PM   #4
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I really do not consider silicone an adhesive. It is not strong enough in my opinion and is just sort of a sealer or position/placement holder.

Penguin powerheads are just poorly designed with only one suction cup placement or the worthless rim attachment piece. There is a reason that most everything in the world has at least 2 points of attachment. Stability. The suction cups work fine but just one is inadequate!

I would love to be able to use JB Weld but will that be aquarium safe?
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Old 02-27-2007, 01:52 PM   #5
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Not sure why you think the rim attachment is worthless, I've used the same PH for over 10 years without fail using the rim attachment. I do have the cord under the attachment which keeps it quiet though. Do you not want it at the surface?

As for JB Weld I assume you are talking about Water Weld which would work fine but be a bit messy and hard to remove if needed.

Other options are under water glue & Algae Free Sure Grip.
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Old 02-27-2007, 02:31 PM   #6
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silicon does hold i had a huge piece of driftwood wounldnt sink so i siliconed it down it would take a hammer to remove it. also iv put silicon on my heater suction cups it works fine they dont move and are held tight and i cant pull then off the glass now. silicon will work fine for your power head
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Old 02-27-2007, 07:07 PM   #7
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Quote:
Originally Posted by Jman17H
I really do not consider silicone an adhesive. It is not strong enough in my opinion and is just sort of a sealer or position/placement holder.
While silicone is not a great adhesive for plastics, it certainly is for glass.
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