Re: [APD] sand choices

["S. Hieber" <shieber at yahoo_com>]

It's about like a medium-fine ground coffee. It has a lot
of dust, which is controlled during shipment be the high
water content of the bag.

It also has some stones as large as 1/4", which need to be
sifted out if you want to use this stuff as an aggregate in
concrete.

Scott H.
--- "Richard J. Sexton" <richard at aquaria_net> wrote:
> >>>The "play sand" I've seen has very fine granules and
> may not be a sound sand
> >>>choice:-) Being fine, it will compact, become
> >>>anaerobic, which is bad. I used this over a soil
> underlayment and it quickly
> >>>became a nightmare to the eyes.....and olfactories:-)
> >>>TIA, YMMV,
> >>
> >>I've used it for decades. Works fine. It contains metal
> particles though
> >>which you could remove with a magnet. I don't bother.
> Recall Horst
> >>and Kippers water analysis of crypt water. 1.5ppm of
> both ferric
> >>and ferrous iron.
> >>  
> >>
> >I take it does not vacuum well?
> 
> Seems to be fine.
> 
> 
> 
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