Maximum Yield Cannabis Canada July/August 2019 | Page 29

THE
DOCTOR
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5 | Hanna Instruments
GroLine HI 9814
Portable Meter

Designed to bring
simplicity to nutrient
testing, the Hanna
Instruments HI 9814
portable meter is at the
heart of the GroLine
series and is designed
specifically for hydroponic
growers. The specialized
electrode combines
three sensors in a single
rugged probe featuring
a polypropylene body,
integrated temperature
sensor, and cloth junction.
It’s waterproof and
features one combined,
pre-amplified pH, EC,
and TDS (ppm) probe for
hassle-free measurements.
6 | Stealth Box
Cannabis Grow Box

Stealth Box is an organic,
four-plant, plug-and-play
grow box that comes with
everything needed for
a full cannabis grow.
The system produces
50-120 grams (more than
five mason jars) of high
quality, organic, cannabis
every grow cycle and is
light and odour neutral.
Stealth Box features a full
spectrum/bright white LED
quantum board (100W),
fans, soil, nutrients,
a hygrometer, lighting
timers for each growth
stage, and instructions
to get growing.
Her powerful microbial
workforce will improve
nutrient availability for the
entire growth cycle.
Dr. Marijane is part of a comprehensive
nutrition program – she only provides the
best nutrients for your plants!
Maximum Yield
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