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Coir & preparation · WITH COBY

How should I use cocopeat coins for seed starting?

Follow the specific disc's expansion and sowing instructions.

Teral grower guidance · Updated 27 October 2026

Coby, Growlab character guideCobyYour coir & preparation guide

THE COCOPEAT CONNECTION

Why the root zone matters

Small coir volumes can change moisture quickly and need close nursery observation.

01 / OBSERVE

Three checks before you change anything

  1. Check the expanded size and any sleeve
  2. Hydrate evenly before sowing
  3. Confirm nutrition and tray drainage

02 / NARROW IT DOWN

What does the expanded coin look like?

Choose the closest observation for a suggested next check.

Dry centre

Allow the disc to hydrate fully according to its instructions and check the centre before sowing.

Collapsed or damaged sleeve

Check handling and ask the supplier about intended use.

Evenly expanded

Use the crop's sowing depth and nursery programme.

03 / TAKE THE NEXT STEP

Leave with something useful

Test a small batch for handling and emergence before large sowings.

Keep in mind

Do not assume every coin includes fertiliser or has the same expansion.

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