Tunze Magnet rubber and bleach

VJV · 12/21/2017, 06:28 AM

Hi Roger, hope you are doing great.

I have a Tunze 9001 and some power heads in my QT tank which o regularly sterilize with bleach (about 5% solution). I have noticed that the rubber around the magnets seems to “melt”, loosing color and becoming sticky after a 24h bath. Could this be toxic for the livestock?

Notice the bits of rubber that stick to my hand just by holding the magnet in my hand. It is very stickie and almost glued to my hand.

Happy holidays!

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rvitko · 12/21/2017, 09:08 AM

A strong oxidizer can damage silicon, it starts to deteriorate, it is not toxic but it will degrade. I would remove them before bleaching or try a much more mild solution, even 1% with a bit of dish soap is likely sufficient to sterilize the parts and won't cause this degree of degradation, the rings are available as a spare part.

VJV · 12/21/2017, 09:57 AM

Quote:

Originally Posted by rvitko

A strong oxidizer can damage silicon, it starts to deteriorate, it is not toxic but it will degrade. I would remove them before bleaching or try a much more mild solution, even 1% with a bit of dish soap is likely sufficient to sterilize the parts and won't cause this degree of degradation, the rings are available as a spare part.

Thanks!

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12/21/2017, 06:28 AM	#1
VJV Registered Member Join Date: Jan 2014 Posts: 368	Tunze Magnet rubber and bleach Hi Roger, hope you are doing great. I have a Tunze 9001 and some power heads in my QT tank which o regularly sterilize with bleach (about 5% solution). I have noticed that the rubber around the magnets seems to “melt”, loosing color and becoming sticky after a 24h bath. Could this be toxic for the livestock? Notice the bits of rubber that stick to my hand just by holding the magnet in my hand. It is very stickie and almost glued to my hand. Happy holidays! Sent from my iPhone using Tapatalk Last edited by VJV; 12/21/2017 at 07:31 AM.

12/21/2017, 09:08 AM	#2
rvitko RC Sponsor Join Date: Apr 2000 Location: Austin Texas USA Posts: 35,785	A strong oxidizer can damage silicon, it starts to deteriorate, it is not toxic but it will degrade. I would remove them before bleaching or try a much more mild solution, even 1% with a bit of dish soap is likely sufficient to sterilize the parts and won't cause this degree of degradation, the rings are available as a spare part. __________________ Roger Vitko Tunze USA "He's for every one of us, stands for every one of us, he'll save every man, woman and child in a mighty Flash!" Current Tank Info: 210 gallon planted tank with Altum Angelfish