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Feed & EC · WITH DRIP

Does reverse-osmosis water need a different cocopeat feed recipe?

Review the treated-water analysis rather than treating RO as a complete nutrient solution.

Teral grower guidance · Updated 27 October 2026

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THE COCOPEAT CONNECTION

Why the root zone matters

Reducing source-water minerals changes the nutrient contributions entering a coir crop.

01 / OBSERVE

Three checks before you change anything

  1. Measure the treated water and check the system’s operating condition.
  2. Ask the nutrient adviser to account for calcium, magnesium and alkalinity contributions.
  3. Review blending, storage and final-feed measurements after treatment.

02 / NARROW IT DOWN

What is the setup?

Choose the closest observation for a suggested next check.

RO replaces untreated water

Recalculate the programme around the new source composition.

RO is blended with raw water

Verify the actual blend and test it as the crop’s input.

Treated-water quality is drifting

Service the treatment system before compensating through fertiliser changes.

03 / TAKE THE NEXT STEP

Leave with something useful

Maintain treatment-performance records alongside the nutrient recipe.

Keep in mind

Low EC water is not automatically a complete or correctly balanced plant feed.

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