Monkeybigbuds said:

Good evening I’m just wondering I’ve been checking my ppm twice a day since water change last week 30/4/24 start ppm was 640 next day 632 next 644 & next day 665is it normal for it to go up and down from day to day like that in my head I would think it went down as the plants take the nutes please enlighten me been writing everything down glad I have now as I can look back

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