Yellow leaves, what is it?

Hatte ich im späteren Verlauf auch immer, meist ein Mangel. Achte dich wenn es von unten nach oben an fängt ist es in der Regel eine Mangelerscheinung. In diesem Fall tipe ich auf Stickstoff, Urin im Gieswasser wirkt Wunder.

you need to feed them more delicious things. the scheme of biobizz recommends much more and works fine..sometimes a bit too much. Peace!

Lack of nitrogen. Don't keep extra water in run off pans. Test the run off ph to make sure it is in range with a calibrated ph tool. Plants will use less water towards end half of flowering but need a strong base nutrition and additional phosphorus and potassium during flowering for denser buds. Still needs nitrogen though. The greenness of leaves is your tool for how much nitrogen is in your plants. If yellowing from bottom up its 1 of 2 things. Soil ph is off and nutrition is locking out. Or just down right not enough of a base nutrition to grow from. Good luck and happy growing. Hope that helps. 🌲🌲🌲👊

They are all autos, entering week 7. Have been getting more and more yellow in the last couple of weeks. I stoped watering them 2 days ago, they had water in the drain plate for 2 days. Might have been too much. The light is a 150w hps in a 80cm x 160cm tent. I apreciate your opinions, as i dont wanna mess them up this close to the finish! :)