Juniper Workshop - Saturday March 9th (18 Feb 2019)

Join our exclusive Juniper workshop feature Leong Kwong.

Saturday 9th March, 2019 10am at the Bonsai South Nursery (114-116 The Boulevarde, Caringbah NSW 2229)
Call to reserve your space – call (02) 9531 4589

Hurry as space is limited! To reserve your spot call (02) 9531 4589 .


× Discussion forum for Soils and Potting Media.

Diatomite current hardness and suitability

1 month 6 days ago #61640 by Gareth
Has anyone recently purchased diatomite and can comment on the hardness.

I know maidenwell no longer calcines their product and it is soft and unsuitable.

Mt Sylivia i hear was having issues but seem to have been solved now.

Can anyone comment?

I was going to make a mix with pumice, zeolite, diatomite and pine bark mini nuggets,..... if diatomite is longer the go can anyone comment on alternatives?

Scoria isnt really what i an looking for i dont think. and its hard to find a decent price in the size range needed.

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1 month 2 days ago #61647 by Bob R
Hi Gareth
All the diatomite I have found the last 2 years has been too soft.
If you add extra pine bark to your mix to replace diatomite it will be fine
The following user(s) said Thank You: JC, Anthony W

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