i actually thought the same thing and pulled out the calibration solutions and made sure it was calibrated and sure enough it was right....tested lower than some distilled water i use to fill my rigs so i was super stoked......the solution i made wasnt for small plants some big moms i have and...
So i am making the change from soil to coco and i know it is important in soil also just never was a problem for me....but water from my tap comes out around 38ppm and ph around 7.....so i mixed up 4 gallons of solution last night just to see how it acted......i added silica first, then some cal...
Just want to say i been gone from riu for a while...but glad to see your still around @doublejj i look forward to watching this grow....and also i will be in the sacramento area towards end of august not sure how close to there you are but would LOVE to shake your hand...
When I first learnt to extract it was before the "dabbing" days....back when we smeared some dark green tane stew on our rolling papers and made the joint sideburn like a bitch.....probably 12 or more years ago...first time I tried it i was 16 and dude had a colonge tester vial full said he paid...
The cold butane and material are just more selective on what it pulls....I'm sure if you get a better yeild with warm butane would be of a lesser quality oil.....the butane won't pull chlorophyll as much when it is cold. I'm sure you have seen that dark dark green bho that most people think is...
I have done something similar....currently been taking mason jar with buds putting into cooler with 15-20# dry ice and letting that sit for about 20 minutes.....I have a mason jar lid with 5 holes and one fits the tane can....I blast into the jar of flower and then soak for ten minutes or so in...