Fox Farm Happy Frog deficiency? Excess? Brown, dying tips on lower leaves, darker veins on upper leaves

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Pyreonfire

Active Member
Any guesses about what is going on with these seedlings? They're 2 and 3 weeks old, growing in fox farm happy frog mixed with perlite and worm castings. Watering with well water from our own well. Growing under a spider farmer sf2000 with temps around 80, and RH about 50%.

The lower leaves started getting very soft, than began yellowing and turning brown about a week ago. Now, the upper leaves appear to be darker in the veins and lighter in between. The one has really slowed down its growth!

The dark spots are from a compost tea!
 

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FastFreddi

FastFreddi

Well-Known Member
Try to ride it out with plain ph'd water until hopefully you get good growth without those deficiencies.
Imo the ffof with compost tea and worm castings the medium was too nutrient rich. Seedlings need very little except good ole ph'd water(6.3 to 6.7 usually works well for me).
Next time, find a soil designed for seedlings. They are very nutrient light, as they begin to grow , you can determine what strength to feed dependant upon strain, your environmental conditions, etc.
Good luck.
FF
 
P

Pyreonfire

Active Member
FastFreddi said:
Try to ride it out with plain ph'd water until hopefully you get good growth without those deficiencies.
Imo the ffof with compost tea and worm castings the medium was too nutrient rich. Seedlings need very little except good ole ph'd water(6.3 to 6.7 usually works well for me).
Next time, find a soil designed for seedlings. They are very nutrient light, as they begin to grow , you can determine what strength to feed dependant upon strain, your environmental conditions, etc.
Good luck.
FF
Click to expand...
Ok! Although I'm actually using the Happy Frog mix which from my understanding is lighter and nutrients and more design for seedlings. It is also pH buffered and so I have not been correcting pH since my well water comes in a little over seven and from what I have read you do not need to pH adjust with Happy Frog.

I do have ph up and down from General Hydroponics but I have been hesitant to use a non-organic pH buffer. Otherwise I have considered cutting the well water with my RO water which has a lower pH.

Thoughts?
 
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