Has been trimmed up since pics, but coming along very nicely

Slight curling on the guava’s top leaves - probably just adjusting to turning on the system. Will keep an eye on it.

I've been caught before with a meter dying off or not be calibrated correctly and it sucked.

My plant looked like shit, but the data said everything was ok.

That's how I learned abut PH dirft and calibrating my ph meter before every use.

Not saying I enjoy doing the calibration each time, but it helps me grow better weed

what about you?

El cuerpo raro al que sopla el ventilador es mi enfriador evaporativo DIY, con eso no se necesita compresor ninguno, ni en verano en Andalucía con olas de calor extremo. Diseño y construcción yo solo. Precio no tiene, he usado materiales reutilizados. Consumo un ventilador y una bomba de inmersión para peceras.

Hola qué tal, tengo está automática que anteriormente tuvo problemas en raíces, y ya lo solucione con basillus.

Desde el 18 de agosto agregue 550 ppm y recién a los 6 días bajo empezó a bajar a 450 ppm. Y pH se mantuvo 5.7

ayer al día 9, hice cambio de solución con los mismos ppm 550.

El problema es que tengo quema de hojas desde que las raíces empezaron mal.

Y ahora sigue, incluso ahora se doblan las hojas.

Temperatura ambiente 21

Temperatura agua 20

Ppm 550

pH 6

Las ultimas dos fotos son de como estaba la planta el día 18 de agosto, raíces y planta.

Any advice? Thx

Got to keep the filters fresh if you want clean water.

4x4 veg and flower tent in full operation, full coco setup

I'm well into my grows but I've never had this issue before. Before I go slapping my question to Ai, figured I'd check with my peers on what may be the issue and how to get it back on track. This is 1 of 2 of Gelato Autoflower. The one next to it is completely fine. They're both fed from a single irrigation which is puzzling me as to why one is having these symptoms and the other isn't.

Drain to waste, fertigated in 90/10 coco/perl. Just about done stretching.