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Roots & watering · WITH DIGBY

Can I recirculate drainage from cocopeat growbags?

Recirculation requires a designed water-management system, not simply returning drain water to the tank.

Teral grower guidance · Updated 27 October 2026

Digby, Growlab character guideDigbyYour roots & watering guide

THE COCOPEAT CONNECTION

Why the root zone matters

Drainage can contain nutrients, unwanted salts and plant-health risks.

01 / OBSERVE

Three checks before you change anything

  1. Review water chemistry and crop needs
  2. Plan filtration and appropriate sanitation
  3. Monitor the mixed solution delivered to the crop

02 / NARROW IT DOWN

What system do you have?

Choose the closest observation for a suggested next check.

Designed recirculation system

Follow its monitoring and treatment programme.

Open drain collection only

Get a system assessment before reuse.

Rising unwanted ions

Review purge or treatment requirements with the adviser.

03 / TAKE THE NEXT STEP

Leave with something useful

Document analysis, treatment and mixing controls before closing the loop.

Keep in mind

Do not infer microbiological safety from a clear sample or low EC.

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