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Coir & preparation · WITH COBY

Can I reuse cocopeat for another crop?

Assess disease history, physical structure and salt status before deciding.

Teral grower guidance · Updated 27 October 2026

Coby, Growlab character guideCobyYour coir & preparation guide

THE COCOPEAT CONNECTION

Why the root zone matters

Used coir carries the history of the previous crop, including roots, salts and possible pathogens.

01 / OBSERVE

Three checks before you change anything

  1. Review any disease or unexplained losses
  2. Check whether the structure has broken down
  3. Arrange representative substrate testing

02 / NARROW IT DOWN

What was the previous crop history?

Choose the closest observation for a suggested next check.

Disease or root collapse

Seek a biosecurity plan and favour fresh media where risk cannot be controlled.

Healthy crop but altered structure

Trial the reused medium separately before relying on it.

No records

Do not treat unknown used coir as equivalent to a new batch.

03 / TAKE THE NEXT STEP

Leave with something useful

Compare reuse preparation costs and risks with fresh substrate.

Keep in mind

Removing old roots alone does not validate sanitation.

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