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micafil vermiculite

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micafil vermiculite

Post  greengrass on 2/9/2013, 9:10 am

hi everyone
please could you tell me if micafil (dupre) is ok for sfg?
i have read a lot in the vermiculite sticky about this, but wasn't
sure if the size was too big!
it states it as 3 - 15 mm, is this ok.
will it be asbestos free i wonder.
or would the siverperl v4 be better/smaller
cheers gg
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Re: micafil vermiculite

Post  dvelten on 2/9/2013, 12:01 pm

Hi Greengrass,

I think the micafil product would work OK. Mel calls for using a coarse grade and the micafil product particle size falls into the right range. The coarser particles definitely make a better mix. I used "horticultural" grade for my first batch which was OK, but once I found a source of coarse grade vermiculite, the mix is much lighter and fluffier.

As far as asbestos, I don't think you have to worry. Dupre state on their website that they continually test for asbestos. Asbestos contamination occurred in the product from one mine in Montana, USA years ago. There is no asbestos in vermiculite itself, the contamination was caused by another mineral present in that mine. But you don't want to breathe in vermiculite dust, or peat dust, or anything else, so Mel recommends wearing a dust mask while mixing up the ingredients. Good luck with your garden, you will love it.

--Dave
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Re: micafil vermiculite

Post  plantoid on 2/9/2013, 4:15 pm

GG yes it's OK , that vermiculite is what I have in my beds .
100 litre bags priced around £16 + vat from fairly big builders merchants groups like Keyline or T&P ( same back stage company just different parts on show ).
I 've only found a few big bits out of teh total of 12 bags of it. most was 10 mm ( ish ) or slightly smaller .
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Re: micafil vermiculite

Post  greengrass on 2/9/2013, 4:57 pm

@plantoid wrote:GG yes it's OK , that vermiculite is what I have in my beds .
100 litre bags priced around £16 + vat from fairly big builders merchants groups like Keyline or T&P ( same back stage company just different parts on show ).
I 've only found a few big bits out of teh total of 12 bags of it. most was 10 mm ( ish ) or slightly smaller .


oh that's good to know as t+p do have it in stock.
thanks folks
gg
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