now after they've grown into their new pots they really like it
installed the new Growcontrol Pro with WiFi and Co2 injection
works like a charm, currently keeping the Co2 level at 1200ppm for about half the day, will increase the Co2 time after they get bigger
VPD ist at 10.0hpa without Co2 and at 7hpa with Co2
if you missed it last week: check https://www.bokashibiochar.co.uk/ for some great soil additive!