Yellow tips

@Experimentgreen, @2020Grower, @Garreweedlover

Heat is 23.4 degrees celsius and humidity I lowered to 55% because I plan to flower shortly so lowering gradually before dropping to 45% to flower, lights are still the same and approximately 28 inch from canopy

I've recalibrated my Ph pen with buffer solutions as directions state and get same Reading's nothing has changed in the grow recently maybe not forcing enough run off could cause This? I've noticed one leaf has slight brown dots forming so maybe calcium or magnese deficiency? No pest problems and growth is still vigorous pushing new leaves out all the time, I'm currently defoliating every 3 days to allow light penetration for lower branch development before flowering, I usually feed feed flush but in this 22 litre pot I'm finding it hard to judge the correct amount of water yo het sufficient run off ?

hi Is it with the black ghost plant? If you're getting odd signs then I would check for any pests... but also you may need to double check your ph meter, possibly it lost its accuracy and needs recalibrated? Unless you had any other changes recently, lights...heat?

Podrias subir foto amigo ? Puede ser quemaduras , estres hidrico o en el peor de los casos alguna plaga , saludos

Hello, Do you feed feed flush? Or flush flush feed? Ph is on point but if the ppm is coming out lower I would say that’s a good thing. Try upping your nitrogen a tad bit see what happens. Good luck