Guest Posted May 10, 2022 Share Posted May 10, 2022 This is my first run in coco and healthy is plants I’ve ever grown but noticed very small brown spots on some of the top leaves. Checked the run off ec going in at 1.6 coming out at 2 some of them 2.2 could this be causing a lockout with the build up of salts? Week 6 of flower. Cheers Link to comment Share on other sites More sharing options...
Shumroom Posted May 10, 2022 Share Posted May 10, 2022 Hiya @Niallk How's the growroom environment? Lights on and off temps and RH? How often do you water/feed them? What size of pot are they in? How much runoff are you getting? Do you have any photos of the plants? Atb 1 Link to comment Share on other sites More sharing options...
Guest Posted May 10, 2022 Share Posted May 10, 2022 Just now, Shumroom said: Hiya @Niallk How's the growroom environment? Lights on and off temps and RH? How often do you water/feed them? What size of pot are they in? How much runoff are you getting? Do you have any photos of the plants? Atb enviroment spot on mate high 28 low 22 humidity 55/60% not had one problem so far usually get cal/mag deficiency’s as my waters very soft but these growers ark nutrients have been spot on that’s why I’m thinking lock out after I noticed the high ec. In 7 litre pots with plenty run off feeding once per day. Link to comment Share on other sites More sharing options...
Shumroom Posted May 10, 2022 Share Posted May 10, 2022 If the EC is rising it's likely due to dry back. It makes sense due to the stage they're at Feed twice a day, first an hour or so after lights on, then again about 6hours later. Atb 4 Link to comment Share on other sites More sharing options...
Guest Posted May 10, 2022 Share Posted May 10, 2022 Just now, Shumroom said: If the EC is rising it's likely due to dry back. It makes sense due to the stage they're at Feed twice a day, first an hour or so after lights on, then again about 6hours later. Atb Thanks mate. Every days a school day Link to comment Share on other sites More sharing options...
catweazle1 Posted May 10, 2022 Share Posted May 10, 2022 Yes, increase your watering frequency, whether it goes up or down, that's how you keep it around your target. 7L pot will have quite a fast evaporation. 1 Link to comment Share on other sites More sharing options...
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