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Published : 9 April 2026

Comprendre pH et EC en culture indoor

Categories : Ethnic World, The Blog

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En culture indoor, beaucoup de problèmes ne viennent ni de la lampe ni de l’engrais… mais d’un pH mal réglé ou d’une EC mal maîtrisée.
Ce sont les deux paramètres clés de la nutrition.

1️⃣ Le pH : la clé de l’absorption

Le pH mesure l’acidité ou l’alcalinité de l’eau ou du substrat.
Échelle de 0 à 14 :

< 7 = acide
7 = neutre
7 = alcalin

En indoor, le pH influence directement la capacité des racines à absorber les nutriments.

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