pH Testing & Control - Blowout Sale! Save up to 65%
Blowout Sale! Up to 65% off on pH Testing & Control at Halo Grow Box. Top brands include Bluelab, Nicholson, General Hydroponics, VIVOSUN, Plantz Shoppe, Advanced Nutrients, STANDARD XCHANGE, BeneStellar, TekcoPlus, KETOTEK, Par Pro, Hanna Instruments, Atami, HDE, Mepco, & elincamp. Hurry! Limited time offers. Offers valid only while supplies last.
Bluelab Guardian Monitor Connect In-Line
mpn: MONGUACONIN, ean: 9421024920807,
4.7 out of 5 stars with 139 reviews
The Bluelab Guardian Monitor Connect Inline is not only a constant indicator of the desired levels of pH, conductivity and temperature of your nutrient solution, it also data logs these critical parameters to your computer for you. It does not stop t...
Steam Trap, 600 psi, 1250,Max. Temp. 800Â°F
mpn: NA, ean: 7437844747700,
4.8 out of 5 stars with 103 reviews
Controls steam and condensate movement to maximize removal of latent heat from steam for efficient system operation. Stainless steel internal components. Compact trap can handle water hammer and superheat; installs easily in any position. The audible...
4.6 out of 5 stars with 132 reviews
The Bluelab® PowerPod™ is an electronically controlled mains switching box that is designed to activate mains powered equipment via control signals from a Bluelab® controller. The Bluelab® PowerPod™ is ideal for use when using a Bluelab® Pro ...
Advanced Nutrients pH-Up 500mL
mpn: 3850-13, ean: 0845268012057,
4.1 out of 5 stars with 46 reviews
Acidity versus alkalinity are key factors in your crop's water and root zone, as measured by pH. If you have too high or too low pH, your crops cannot uptake nutrients, and may well be damaged or even killed. That's why smart growers daily monitor ...
Heat Exchanger,Shell And Tube,525K BTU
mpn: NA, ean: 7437844555572,
4.5 out of 5 stars with 99 reviews
Standard Xchange shell and tube heat exchanger features a simple design that allows one fluid to run through the inner tubes while another fluid flows through the shell to transfer heat efficiently. Easy-to-service unit is constructed of stainless st...
Waterproof 0~14 Digital pH Meter with Temperature Measurement High Accuracy pH Pen Tests Water, Aquarium, Pool, Hydroponics
You Save: 6%
mpn: PHTK-2, ean: 0713072681625,
4.1 out of 5 stars with 83 reviews
This pentype digital pH Meter measure pH level range from 0~14pH and has the following advance features: automatic calibration (pH4, pH7 & pH10), waterproof - designed to protect against windblown dust, powder dust, water splashes, rain and wash down...
Bluelab Soil pH Replacement Probe
4.5 out of 5 stars with 121 reviews
If you need to measure the pH level of soil, media or substrates, then the Bluelab® Soil pH Meter is just what you need. This hand-held meter comes with a Soil pH Probe, Dibber/Auger, pH 4.0 and pH 7.0 calibration solutions, plus a helpful Quick St...
Par Pro Hyper Arc HPS Lamp 1100W (12)
4.0 out of 5 stars with 84 reviews
The Worlds Most Powerful Single-Ended Grow Lamp! Consistently Tested Over 2,380 umol! (Verified By UL) Par Pro 1,100 Watt HYPER ARC High-Pressure Sodium lamp delivers a staggering 2,380 umol on the Galaxy 1000 Watt Turbo setting! The HYPER ARC lamp h...
Hanna Instruments 716840 PHEP Tester (HI 98107)
mpn: 716840, ean: 0799441254751,
4.7 out of 5 stars with 111 reviews
The hi 98107 (phep), which is the result of over two decades of research & manufacturing experience, is the updated version of our widely popular 96107 (phep). today the redesigned phep series feature a rugged & ergonomically enhanced Casing that fit...
bio bloombastic atami 5L
4.8 out of 5 stars with 129 reviews
Bio bloombastic 5L top quality item...
General Hydroponics GH1514 General Hydroponics Ph gSQUJb Control Kit (Pack of 2)
4.4 out of 5 stars with 85 reviews
The pH Control Kit by General Hydroponics provides everything you need for testing the pH level of the nutrient solution in your hydroponic system. pH control is essential for stimulating vigorous plant growth. Vital elements in nutrient solution hav...
Bluelab pH 4.0 Calibration Solution 500 ml, pH 7.0 Calibration Solution 500 ml
4.1 out of 5 stars with 144 reviews
Calibration and conductivity standard solutions... a must in every grower's toolbox. The Bluelab calibration and conductivity standard solutions are essential for use with all Bluelab products for the calibration of pH and testing the cleanliness of...
Steam Trap, 125 psi, 1650,Max. Temp. 450Â°F
mpn: NA, ean: 7437844438455,
4.7 out of 5 stars with 44 reviews
Ideal for use with most types of steam heating systems and steam process equipment, this MEPCO steam trap allows 4 possible connections for greater flexibility in your piping system. Reliable trap has all working parts constructed of non-corrosive me...
elincamp Water Quality Tester,Digital PH Meter for water quality,food,swimming pool,Aquariums, Hydroponics,PH Measurement for 0-14 PH,±0.1 Accurary,0.1 Resolution,LED Display Pocket Size (Yellow)
You Save: 65%
mpn: 43217-75297, ean: 0716253025393,
4.6 out of 5 stars with 136 reviews
Specification: Range: 0.0-14.0 PH (Below or exceeding this range will cause the glass electrode to burst) Resolution: 0.1 PH Accuracy: ±0.1 pH Temperature compensation:0-50℃(Below or exceeding this range will cause the glass electrode to burst) Ba...