I use 6 ml of calmag per gallon all the time?Looks like calcium defiency, could have magnesium deficiency also, those blurple lights make plants suck up the mg.
This is what I would do. Add about a 16oz cup full of garden gypsum to the top of the soil b4 watering and then add the recommended amount on the side of the box of epsom salts each feeding until late flower.
Some plants just cannabalize the lower fans during flower. If it doesn't get worse I wouldn't worry about it.I use 6 ml of calmag per gallon all the time?
What medium are you growing in?I use 6 ml of calmag per gallon all the time?
Me too, for 5 years. Recommend a slurry test, post both pH and PPM results if possibleFF ocean forest
That's what I thought and that's your problem right there..I haven't checked ppm but always checked ph going in around 6.5
The runoff is around 5.0 .
see under natural light you can see the problem,look how dark green them plants are,you have a loc from to much nitrogen,next feed back off the N product a little ,dont do completly away,but back off,it will mend but just water and half all that cal mag,i wouldnt even use cal mag if im using tap water
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