Gaia Green Oyster Shell Flour

19.95$ - 59.95$
4.99$ - 14.99$

Produced from a renewable resource, unlike limestone extracted from the soil, which has a comparable effect, oyster shell flour helps increase the pH of the soil.

Available at the ecoumene only

Produced from a renewable resource, unlike limestone extracted from the soil, which has a comparable effect, oyster shell flour helps increase the pH of the soil.

Description

  • Excellent source of slow release calcium.
  • A single application can affect the chemical properties of the soil for several years.
  • Excellent choice for all vegetable gardens, flower beds, lawns and trees that suffer from overly acidic soil pH.
  • Approved for organic farming by Ecocert.
  • Guaranteed minimum analysis: Calcium 36.0% – Neutralizing value (equivalent to CaCO3) 96.0% – Passes 100 mesh TYLER sieve 30.0%

For more information, see the Gaia Green product guide.

Further information

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📅 Thursday, July 31 and Friday, August 1, 2025

It's time for the big annual countdown!
Our team is busy counting seeds (and keeping track 😅).

The online store and the horticultural store will be
therefore closed during these two days.

We'll see you from Saturday morning
Thank you for your patience 💚