Particle size and easiest way to get it?

DaDude

Seedling
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Well I picked up a bag of expanded clay and sure enough it floats! Its kinda big too. Unless its a bad idea ill be using it as my drainage layer.

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Bonsai Nut

Nuttier than your average Nut
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Soil screens.

I always thought particle size was measured by what would pass through one screen with a certain mesh (say 1/4") but would not pass through a slightly smaller mesh (say 3/16"). It doesn't require someone to measure each particle :)

The biggest advantage of screening your inorganics is not necessarily getting the exact particle size, but getting RID of particles that are too small - what we call "fines" and dust.
 

Anthony

Imperial Masterpiece
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@DaDude ,

there is a smaller pebble 4 mm, that is available. Try for that.

We made our own 8 mm.
Image below.
Good Day
Anthony

This a willow leaf type ficus, local. Does not like a lot of water.
The test --- hand rolled balls [ ball bearing principle ] and aged compost.

Ficus p2 b.jpg

The tree and still having problems slowing down the excessive trunk thickening

ficus p2.jpg

This willow leaf ficus was grown to the trunk size seen here, in 5 mm silica based gravel
and aged compost. By volume [ spadefuls] in this pot only.

ficus.jpg
 
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