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Calibrate them. Best to do it at the beginning of a grow and even mid way to ensure its operating correctly.
typically the solutions are 4.01 + 7.01 + 10.01, in growing we really only need a two point calibration from 4.01 to 7.01, food industry uses the 10.1 and other solutions.
Some units are automatic other you need to turn a screw to move the meter numbers up or down.
Good Luck!
@Hix57, I will be updating mine for week 4 on sunday and you will see the size difference, i only start feeding nutes around day 15/16. And you then decide what you think is better
@I_Identify_As_A_Dan, merci.
Mais après tout un tas d'essai. J'ai remarqué qu'elles aimaient avoir des nutriments tout de suite après la germination et qu'elles partaient avec un avantage a celle qui n'avait pas de nutriments.
Je trouvais que celle sans nutriments manquait de vigueur comparé à celle alimenter.
Mais en effet, elles peuvent se contenter d'eau claire au début de leurs vies.
Blackberry Auto
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