[Eeglablist] Electrolyte gel question

Tarik S Bel-Bahar tarikbelbahar at gmail.com
Thu Dec 3 21:20:19 PST 2015

Hello Pamela, it sounds like there used to be no bubbles! Try moving to
another gel from another manufacturer, unless the eeg manufactuer has
specified that the bubble gel is the only one that should be used with
their EEG system/trodes. I've not seen bubbles in most gels. try contacting
other RAs or labs. Try Elefix, Redux used with EGI systems. We also like
Abralyte distributed by brain products with "grit" in it that helps with
reducing impedances, it might be manufactured by easycap. All gels you try
will likely wash out of your caps/trodes easily. Although unlikely, there
may be some bits in your caps/trodes that don't like other gels besides the
one you have. all the best.

On Tue, Dec 1, 2015 at 5:29 PM, Pamela Leigh Stevenson <
pamela.stevenson at unb.ca> wrote:

> Hello everyone!
> I would like to get your advice on an issue related to electrolyte gel:
> We ordered some electrolyte gel this summer and noticed that it arrived
> full of bubbles. We contacted the company to let them know and they send us
> some replacement gel. Unfortunately, the replacement gel has just as many
> bubbles as the original batch. We sought advice on how to decrease the
> amount of bubbles from the company who makes the gel, but nothing they
> suggested has helped. This has made data collection much more difficult (in
> terms of reducing electrode impedance).
> Have any of you experienced this? If so, have you been able to reduce the
> amount of bubbles in the gel? Can anyone suggest a brand of gel that you
> have had a good experience with?
> Thank you for your advice/suggestions!
> Pam
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