How long does it take for this bloody stuff to stop stinking?.
Finished viv three weeks ago and have got the heat on which makes it smell worse. makes your head go light even if you just stick your head in it.

My misses has tried to get me out of it but I just keep saying "nah five more minutes man"

If it's a cheap yacht varnish as sold in DIY stores it could take weeks, what distinguishes true yacht varnish from the cheap stuff is the solid/solvent content.
Good quality yacht varnish contains more solids and less solvent, the solvent is also higher quality and evaporates faster than that used in the cheap stuff.
Cheap so-called yacht varnish has a high proportion of low grade solvent which evaporates slowly, and has less solids.
The good stuff costs more of course, but generally you need less of it because it has better coverage, it's a far superior product which lasts longer and is well worth a few quid extra, even if it's only for the inside of a viv rather than a yacht!

was decent make, does it ever go completely?
I have used it to varnish the sand all over the inside 3x coats but have followed drying times

thanks for the heads up apaz...im just about to coat my papier mache hides with the stuff!!

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It'll go off eventually, when all the solvent has evaporated. Personally I'd only use a water based varnish inside vivs, like Ronseal Quick Drying Floor Varnish, it's completely dry and safe by the following day.

wouldnt water based varnishes not really work if it was a humid viv?

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can u not put it out in the garden for a while? this will help dry it and clear the smell alot better

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no its 7ft long would need a crane.
I left it for a week before afixing the top and front to give it air.
It hardly smelt so I planned to move dragons in last weekend but when I put the heat on the day before started to smell again.

I did use the acrlic floor varnish but it isnt sticky enough to adhere the sand to it.

They work fine, water based doesn't mean it's not water proof, water based floor varnish is just as waterproof as solvent based varnished once it's dried. The only difference is that it gives off no harmful solvent vapours.

Next time try epoxy resin, fully cured in 24 hours, no solvent vapour, totally waterproof and very hardwearing, it'll outlast the rest of the viv and it's occupants, and probably you too!