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Feed & EC · WITH DRIP

Why test water alkalinity as well as pH for cocopeat?

Two water sources can show similar pH yet behave differently when used repeatedly.

Teral grower guidance · Updated 27 October 2026

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THE COCOPEAT CONNECTION

Why the root zone matters

Alkalinity describes acid-neutralising capacity and helps explain longer-term pH effects in the root zone.

01 / OBSERVE

Three checks before you change anything

  1. Request total alkalinity with units
  2. Record water source and sampling date
  3. Review the result alongside the fertiliser programme

02 / NARROW IT DOWN

Which situation applies?

Choose the closest observation for a suggested next check.

High pH but unknown alkalinity

Obtain the missing analysis before designing treatment.

Changing water sources

Test the replacement before using the previous settings.

Existing treatment system

Verify the treated output and equipment settings.

03 / TAKE THE NEXT STEP

Leave with something useful

Use the water analysis to set a documented management plan.

Keep in mind

pH alone is not a reliable acid-dose calculator.

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Further technical reading

Penn State Extension · Interpreting irrigation water tests ↗