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Re: Aquatic Plants Digest V4 #208
Elvis writes:
> You had proposed a solution for the problem of condensed water on the
> glass covers dissolving the glass and causing etching and deposits.
> You'd suggested coating the glass with some type of plastic coating,
> perhaps by painting it on. The problem with almost all kinds of
> transparent paints is that they are dissolved in organic thinners. I
> suspect that anything which you just spray on, even with a catalyst, is
> going to be somewhat reactive and possibly toxic. If there was some kind
> of transparent plastic material that was suitable, maybe you could use
> that instead of glass. Then you wouldn't have to worry about painting it
> on, or being limited to plastics surfaces that can be created by
> painting.
Marine grade epoxy spar varnish will work just fine. Non-toxic, non-soluble,
and available in a colorless transparent. A number of people have used it to
seal wooden aquariums with a glass front. It also sticks well to silicone
aquarium sealant.
Bob