Re: [DIYbio] Non-toxic treatment to elevated planter

Avoid copper-based bio/fungicides, as they'll probably kill earthworms.

*Any* fungicide applied to the wood may inhibit fungi in the surrounding
soil, though weatherproof fungicide treatments may be water-insoluble so
might not spread far into the soil.

One way to minimise contact with moist soil (which minimises leaching),
while improving soil moisture retention would be to use a linseed
lacquer on the inner surfaces (or all surfaces?). Linseed lacquer will
harden into a thin but tough bioplastic layer and is a time-honoured way
of protecting woods. :)

On 16/02/15 16:04, Markos wrote:
> Hi,
>
> I'm mounting, at home, an elevated planter, similar to this:
> http://www.livinggreenplanters.com/wp-content/uploads/2011/03/110124osm_livinggreenplanter_006.jpg
>
> https://img0.etsystatic.com/000/0/6187795/il_570xN.211267472.jpg
> https://img1.etsystatic.com/000/0/6187795/il_570xN.211267537.jpg
> https://img1.etsystatic.com/000/0/6187795/il_570xN.211267575.jpg
> https://img0.etsystatic.com/000/0/6187795/il_570xN.211267642.jpg
>
> To develop some automated ferti-irrigation systems with Arduino and also
> to grow some vegetables for food.
>
> Now I'm in doubt about the best treatment, what type of product I could
> apply inside the planter, which will be in contact with soil and
> moisture, to protect (preserve) the wood of fungal attack but not
> contaminate vegetables I'll grow (and eat) and avoid toxic effects to
> plants and earthworms.
>
> Aty tip?
>
> Thanks,
> Markos
>

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