Feed & EC
EC readings do not match
First compare the test methods, then compare the numbers. A supplier’s extraction result and drainage from a fertigated crop describe different samples.
Check with DripFind your next step →Feed & EC · WITH DRIP
Should I combine drainage from several cocopeat bags?
Combining samples can describe a group but can hide a problem bag.
Teral grower guidance · Updated 27 October 2026
DripYour feed & ec guideTHE COCOPEAT CONNECTION
Why the root zone matters
A coir crop may contain local variation that disappears in an average drainage result.
01 / OBSERVE
Three checks before you change anything
- Decide whether you need a zone overview or diagnosis of a specific area.
- Keep affected and healthy groups separately identifiable.
- Follow the laboratory’s instructions for sample proportions and handling.
02 / NARROW IT DOWN
What is the purpose?
Choose the closest observation for a suggested next check.
Routine zone monitoring
Use a documented representative procedure and retain occasional individual checks.
Investigating an affected patch
Keep affected and comparison samples separate.
Comparing treatments
Do not combine treatment groups; preserve the experimental distinction.
03 / TAKE THE NEXT STEP
Leave with something useful
Write the sampling plan and bag identifiers before collecting.
Keep in mind
An average can look acceptable while the lowest-performing part of a zone remains stressed.
Discuss this with Teral →CONNECTED QUESTIONS