Bluelab PH 4.0 Calibration Solution size:500 ml Once sprayed

Once sprayed

Bug & Pest Protection – Sealed flap keeps insects from entering through exhaust ducting

Tip: use lukewarm to warm water to increase the speed of expansion

Enclosures comply with N

strap your rope hangers to your lights and hang 'em

Bluelab PH 4.0 Calibration Solution size:500 ml Once sprayedHigh quality calibration solutions Effective, affordable pH calibration Bluelab pH 4. 0 Calibration Solution 250 500 ml is essential for use with all Bluelab pH products. All Bluelab solutions are manufactured specifically for Bluelab products and are referenced to high laboratory standards to ensure your Bluelab products last longer and maintain accuracy. Product Features Benefits Contains 500 ml 16. 9 fl oz Boost your pH products longevity with