@Aquemini, is an ec based scale, just multiply x2 and divide by /1000. For example for 1.6 ec you have to read 800 tds . Maybe you can also change the unity from tds to ec i think itβs a good meter. Also iβve see you use 24h of light, i like 18h max to give some rest to the plant and to my wallet , expecially in hot summer
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