Varnish woes

[commander bernhardt]

After painting I allways varnish my models with a layer of GW Purity Seal followed by a layer of Testor's Dullcoate.
I've done this on hundreds of minis without problem.
Last night it went wrong on some minis: some parts of the miniature have a milky sheen on them. Something like a fog in the layer of dullcoate (but not all parts).
a) how did this happen?
b) what can I do about this?

Cheers for helping me out wiht this one

[SteveBurt]

a) Matt varnish can go cloudy if humidity is high when you apply it
b) Applying another coat of varnish on top usually clears the problem

[Daeothar]

That is correct. If a second mat coat does not work, a gloss coat will almost always clear up the white-ish film.

Then you can re-apply the matt coat

[commander bernhardt]

thanks for the replies.
I expect it was due to himidity. It's fall here and the sun was almost down. Damn my impatience
will try another coat!
thanks

[Hammers]

After painting I allways varnish my models with a layer of GW Purity Seal followed by a layer of Testor's Dullcoate.
I've done this on hundreds of minis without problem.
Last night it went wrong on some minis: some parts of the miniature have a milky sheen on them. Something like a fog in the layer of dullcoate (but not all parts).
a) how did this happen?
b) what can I do about this?

Cheers for helping me out wiht this one

I tried sacrifying a black cockrel at midnight before the application. It did not help. Then a switched from Testors spray-on to a brush-on matt medium. Made all the difference in  the world. To summarize ,matt sprayons are fickle and climate dependant.

[Lord Raglan]

To summarize , sprayons are fickle and climate dependant.

Agreed, there is no sense to it.

.....however, try warming the can in some hot water before spraying and also get a 18 year virgin to bless your varnish beforehand. I live in Wales, so there is no way I can find one.

[grant]

All the sheep are spoken for?

[Lord Raglan]

All the sheep are spoken for?

Oh what a surprise, as soon as I mention that I might be Welsh, someone has to throw the S word down

I have been in sheep rehab for the last 6 months and you sir, have made me relapse 

[grant]

Oh what a surprise, as soon as I mention that I might be Welsh, someone has to throw the S word down

I have been in sheep rehab for the last 6 months and you sir, have made me relapse 

 

[Cherno]

I believe there are more threads about this problem on wargaming forums than about any other topic, it has even happened to me 

I switched to brush-on varnish afterwards, it's just safer and only takes a little more time.

[Ray Rivers]

I believe there are more threads about this problem on wargaming forums than about any other topic, it has even happened to me 

I switched to brush-on varnish afterwards, it's just safer and only takes a little more time.

Never happened to me, but I got sick of all the fumes.

Now I brush on a good gloss varnish first. Then I brush on a non-toxic mate varnish. I use vallejo for the mate varnish. No fumes... how nice.

And no problems with clouding when I use a brush... ever. However, do make sure it doesn't puddle too much, just in case.