CKS Northern Lights Auto - Soil pH is too low

KCKronic

New Member
Growing CKS NL Auto Fem (Day 37) in soil. Just tested pH 3 different ways.

Dr. Meter S20 4 in 1 reads 5.0 (unreliable imho)
Patec pH meter reads 6.0 (new)
Environmental Concepts soil test kit reads 5.5 (new, should be the most accurate)

Soil is Fox Farm Ocean Forest. (Clay pebbles, Perlite, Pro-Mix Organic and Dolomitic Lime additions)
Fox Farm Trio nutrient at half the recommended rate initially.
Feeding once per week (FF Grow and FF Bloom)
Watering 3gal fabric pot every 2nd or 3rd day with 2L water (pH 6.6 Hanna)
Soil runoff is pH 6.1 (Hanna)
Have been adding a low rate of CALiMAGic by GH every water

Have water soluble Dolomitic Lime on hand.

Any suggestions that would help raise pH of the soil would be very much appreciated.
The plant is showing signs of pre-flower. Needless to say, this is my first grow.
 
Re: CKS Northern Lights Auto -- soil pH is too low

Does the plant look good? Sounds like you might be big dealing it. Let it grow, might do more harm than good messing with it too much
 
Re: CKS Northern Lights Auto -- soil pH is too low

NLAF_3_IMG_3182.jpg


OCD or what, eh?
 
Re: CKS Northern Lights Auto -- soil pH is too low

Does the plant look good? Sounds like you might be big dealing it. Let it grow, might do more harm than good messing with it too much
Hi Scottyrox88. The plant looks ok. I'm a little obsessed with the slightest problems. I have 4 NL autos going. Just want what's best for them.
 
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