Magnetic Suction Cups: advice?

[d0r0g0]

I've been having issues getting the suction cups to stay stuck to the
glass. They are for my 150W Heater. I decided to give up on them and
ordered magnetic holders online.

I haven't received them yet but was wondering if anyone here has tried
them. I'm mostly worried about the magnets corrupting the heater
components in some way- I don't want to wake up to boiled fish.

[Gill]

I've got magnetic suction pads on one of the powerheads in my reef tank.
Never had any problems with them and find them much easier than the
traditional suction pads. It's also much easier to move the powerhead as
there are no problems with having to clean the glass to get the thing to
stick in the first place.

Gill

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[denizen]

Heh heh, the old Thermal Compact heaters had a magnet on the bimetal
strip to snap the contacts shut and reduce pitting. I wonder whether
nearby magnet would affect that heater's operation?
d.

[NetMax]

The effect of a magent reduces as a square of the distance, so they
would have no effect if they were installed a few inches away.
Digital heaters have no magnetic-succeptible components that I can
think of. Thermocouples, RTDs and those bimetal strips would be
immune to a magnetic field at that distance. Sounds like you're good
to go.

NetMax

[Kris]

I have magnetic holders for my powerheads... love them!!!

[d0r0g0]

Glad to hear you've never had problems with em. I'll try em out this
weekend and keep a close eye on the temp. My only worry is the magnets
interfering with the electronics in the heater (like when you put a
magnet on a TV)

[d0r0g0]

Awesome, really puts my mind at ease... thanks guys!

On Mar 25, 4:49 pm, NetMax <computeral...@hotmail.com> wrote:

[Altum]

On Mar 25, 4:25 pm, Kris <tropicalfishsucc...@gmail.com> wrote:
> I have magnetic holders for my powerheads... love them!!!

Love them. Great product.

--Altum

[greg...@gmail.com]

Where did you get them? What brand and how much?

I just had a powerhead fall off the side of the reef tank and onto an anemone. I'm hoping it lives.

Any info would be helpful. I'm not afraid to DIY something if you have a line on some good magnets. I've heard the rare earth magnets are aquarium safe. I need something that will work on a 90G tank.

Enjoy.
Greg
Sent on the Sprint® Now Network from my BlackBerry®

[videoman]

Bottom posted.

To make you feel more at ease I will say that I asked the very same
question here some 1 or 2 years ago with everyone assuring me the
magnets should not have any effect on the heaters so at the most keep
the magnets a little bit away from the contacts of the heater inside
the heater. Basically don't worry about it. There is one other option
as well - use aquarium silicone sealant on the suction cup on the part
that gets pressed flush with the aquarium glass and it should only
take a short time for the sealant to cure / bond/ adhere to the glass
and if you need to remove it at any time in the future just use a
razor blade to scrape the aquarium sealant off of the glass (probably
a bad idea to use anything sharp on acrylic though). I do have one
question to add to this last option - anyone here know if adding
aquarium sealant into the aquarium’s water would hurt or stress
aquarium fish or invertebrates? I would seriously love to silicone
suction cups to the glass of my aquariums while the aquariums are
operating normally without stressing or hurting the fish and / or
invertebrates. Good luck all and later!

[NetMax]

There exists silicon which cures underwater (used by manufacturers for
repairing tanks in pet shops). I do not know if regular silcone cures
underwater. It might need air to cure, so it would cure more slowly?
If I judge by the smell, silicone is acidic until it cures.

NetMax

> invertebrates. Good luck all and later!- Hide quoted text -
>
> - Show quoted text -

[d0r0g0]

Update: Looks like the magnets will work for me...the packaging states
that it will work for heaters so I gave it a shot on mine. Over the
weekend I didn't notice any change in temp difference (still at 76). I
did notice that the heater was attracted to the magnets when I was
installing it, but again, it didn't see to damage any of the
components.

Overall the magnets are working great and it's kind of nice that I can
adjust the heater position without having to open the hood and disturb
the fish.

I also did a little shopping for some underwater curing silicon and it
looks like I might use that for some tubing in a future tank, so I'm
glad you brought that up. Thanks for your input guys!

The product: Zoo Med Magclip Magnet Suction Cups for $4.00 each.

On Mar 26, 9:08 am, NetMax <computeral...@hotmail.com> wrote:
> There exists silicon which cures underwater (used by manufacturers for
> repairing tanks in pet shops).  I do not know if regular silcone cures
> underwater.  It might need air to cure, so it would cure more slowly?
> If I judge by the smell, silicone is acidic until it cures.
>
> NetMax
>
> On Mar 26, 2:14 am, videoman <video...@ccountry.net> wrote:
>
>
>
> > Bottom posted.
>
> > On Mar 25, 3:17 pm, d0r0g0 <d0r...@gmail.com> wrote:
>
> > > Awesome, really puts my mind at ease... thanks guys!
>
> > > On Mar 25, 4:49 pm, NetMax <computeral...@hotmail.com> wrote:
>
> > > > The effect of a magent reduces as a square of the distance, so they
> > > > would have no effect if they were installed a few inches away.
> > > > Digital heaters have no magnetic-succeptible components that I can
> > > > think of.  Thermocouples, RTDs and those bimetal strips would be
> > > > immune to a magnetic field at that distance.  Sounds like you're good
> > > > to go.
>
> > > > NetMax
>
> > > > On Mar 25, 3:36 pm, denizen <denize...@yahoo.ca> wrote:
>
> > > > > On Mar 24, 7:33 pm, d0r0g0 <d0r...@gmail.com> wrote:
>

> > > > > > I've been having issues getting thesuctioncups to stay stuck to the

> > > > > > glass. They are for my 150W Heater. I decided to give up on them and
> > > > > > ordered magnetic holders online.
>
> > > > > > I haven't received them yet but was wondering if anyone here has tried
> > > > > > them. I'm mostly worried about the magnets corrupting the heater
> > > > > > components  in some way- I don't want to wake up to boiled fish.
>
> > > > > Heh heh, the old Thermal Compact heaters had a magnet on the bimetal
> > > > > strip to snap the contacts shut and reduce pitting. I wonder whether
> > > > > nearby magnet would affect that heater's operation?
> > > > > d.
>
> > To make you feel more at ease I will say that I asked the very same
> > question here some 1 or 2 years ago with everyone assuring me the
> > magnets should not have any effect on the heaters so at the most keep
> > the magnets a little bit away from the contacts of the heater inside
> > the heater. Basically don't worry about it. There is one other option

> > as well - use aquarium silicone sealant on thesuctioncup on the part

> > that gets pressed flush with the aquarium glass and it should only
> > take a short time for the sealant to cure / bond/ adhere to the glass
> > and if you need to remove it at any time in the future just use a
> > razor blade to scrape the aquarium sealant off of the glass (probably
> > a bad idea to use anything sharp on acrylic though). I do have one
> > question to add to this last option - anyone here know if adding
> > aquarium sealant into the aquarium’s water would hurt or stress
> > aquarium fish or invertebrates? I would seriously love to silicone

> >suctioncups to the glass of my aquariums while the aquariums are