https://greenbookpages.com/reviews/hydroponics/bluelab-truncheon-nutrient-meter/ Sat, 04 Jun 2016 19:29:28 +0000 hourly 1 http://wordpress.org/?v=3.4.2 https://greenbookpages.com/reviews/hydroponics/bluelab-truncheon-nutrient-meter/#comment-250 Karl Johnson Thu, 25 Apr 2013 17:28:38 +0000 http://greenbookpages.com/reviews/?post_type=place&p=3511#comment-250 If you're serious about your grow, you probably own one of these. I've tested BlueLab side by side next to the cheap ones I've bought off of amazon in the past and these are wayyy more reliable. It's fully water proof unlike the other ones I've used and most hydro shops will calibrate it for you if you have any sort of problem with it. If you’re serious about your grow, you probably own one of these. I’ve tested BlueLab side by side next to the cheap ones I’ve bought off of amazon in the past and these are wayyy more reliable. It’s fully water proof unlike the other ones I’ve used and most hydro shops will calibrate it for you if you have any sort of problem with it.

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