I need some help! Seedlings not doing well.

Coco is concifcons soiless or hydroponic, you pH should be 5.5 to no more the 5.7...
I've always read that ideal was between 5.5 & 6.5 with the ideal ph being 6.0.

From what I've learned that any PH under 6.0 in coco can mess with calcium uptake as well as magnesium uptake. (thus the 5.5 - 6.5 ph range).

Is this wrong then?

hydroponics-ph-chart-marijuana-sm[1].jpg
 
I've had my best luck maintaining 5.6 in both feeds and watering.. you can keep going with what your doing, but maybe it's time for something different.
 
upload_2018-10-28_17-53-53.gif


for my area 5.6 works well, this says 5.8 but after time i adjusted to suite me.
 
my other question if i missed it sorry bud, but how old are they and have you fed anything other then when you ammended the coco?
 
my other question if i missed it sorry bud, but how old are they and have you fed anything other then when you ammended the coco?
They are 7 days from breaking soil. The only thing being fed is 1/4 strength MagNiFiCal (Remo Nutes)(1.25 ml per gal) and a low dose mild enzyme to help dissolve some of the remaining thin roots from the past grow. Ph'd to 6.0. They are fed by spray bottle in a ring only around stem. Maybe 60 ml per day (1/4 cup).

BTW the enzymes are "Enzyme Komplete" you can see the website here:
https://enzymeskomplete.ca/
 
my other question if i missed it sorry bud, but how old are they and have you fed anything other then when you ammended the coco?
BTW thanks for the other charts.
 
I wont try and diagnose your issues because I have never used the products you are using. I can say; I water my coco daily to run off with well aerated low strength mix from day one with a "complete" synthetic nutrient . You cant overwater coco as long at there are holes in the bottom... So get rid of the spray bottle as that will just cause stem rot from the additives. I mix at 5.8ish in coco, but lower is fine if you dont water for days as the ph will swing up as the nutrients are used up. hope it works out for you.
 
I wont try and diagnose your issues because I have never used the products you are using. I can say; I water my coco daily to run off with well aerated low strength mix from day one with a "complete" synthetic nutrient . You cant overwater coco as long at there are holes in the bottom... So get rid of the spray bottle as that will just cause stem rot from the additives. I mix at 5.8ish in coco, but lower is fine if you dont water for days as the ph will swing up as the nutrients are used up. hope it works out for you.
Thanks bud! I appreciate your input. I'm using Vivosun fabric pots 3 gallon with 70% coco and 30% perlite.
 
Back
Top