Garden Supplies

HM Digital Meters

Intelligent Growing Systems

Galaxy Electronic Ballasts

Supernatural

Waterproof pH/Temperature Meter
FEATURES
- Measures pH and Temperature
- Auto-ranging three point calibration with digital fine tuning
- Includes 4 pH buffer solution in a sponge embedded in a clear cap, so you can see if it's dried up
- Waterproof housing
- Simultaneous temperature display
SPECIFICATIONS
- pH Range: 0 - 14
SKU:

HMDPH200

Retail: $99.95

Special Price: $77.96
Waterproof EC/TDS/Temp Combo Meter

Measures EC, TDS and temperature. It has three different calibration options (KCl, 442TM, NaCl), each with its own non-linear conversion factor, and Automatic Temperature Compensation (ATC) using three temperature coefficients.

Measurement Range: 0-9990 uS; 0-8560 ppm (auto ranging).

SKU:

HMDCOM100

Retail: $76.95

Special Price: $58.46
TDS-3 Handheld TDS meter

Ideal for commercial use, the TDS-3 includes a carrying case with belt clip. It is highly efficent and accurate due to its advanced microprocessor technology. It features a measurment range of 0-9990 ppm. From 0-999 ppm, the resolution is in increments of 1 ppm. From 1000 to 9990 ppm, the resolution is in increments of 10ppm, indicated by a blinking 'x10' image.

SKU:

HMDTDS3

Retail: $37.00

Special Price: $28.45

Supernatural Excellofizz 50 Pack

Provides reliable accurate, worry free CO2. It is 100% natural and economical. You don't need any expensive equipment. Perfect for smaller gardens and areas with limited ventilation, Excellofizz releases optimal amounts of carbon into the growth environment. Carbon is the building block for all plants, and proper absorption greatly increases plant mass and fruit load. HOW TO USE Place 3 FL OZ (100 ml) of water in a container. You will need one (1) puck for each 10 cubic feet of area. Place puck in water. Leave lid open slightly. Puck will dissolve slowly.

SKU:

EXFIZZ50

Retail: $181.31

Special Price: $145.05
Supernatural Excellofizz 15 Pack

Provides reliable accurate, worry free CO2. It is 100% natural and economical. You don't need any expensive equipment. Perfect for smaller gardens and areas with limited ventilation, Excellofizz releases optimal amounts of carbon into the growth environment. Carbon is the building block for all plants, and proper absorption greatly increases plant mass and fruit load. HOW TO USE Place 3 FL OZ (100 ml) of water in a container. You will need one (1) puck for each 10 cubic feet of area. Place puck in water. Leave lid open slightly. Puck will dissolve slowly.

SKU:

EXFIZZ15

Retail: $60.16

Special Price: $48.13
Replacement Platinum Sensor COM-100

This spare sensor is for HM Digital EC/TDS/Temp Combo Meter model COM-100. Features platinum TDS/EC sensor and thermister.

SKU:

HMDSPC1

Retail: $36.95

Special Price: $29.56

Replacement pH Sensor PH-200

This spare pH sensor is for HM Digital Waterproof pH Meter model P-200. Features Glass pH sensor and reference tube and thermister.

SKU:

HMDSPP2

Retail: $49.95

Special Price: $39.96
Precise Cycle Controller without display
A precision cycle timer that allows lighting duration from 8 to 18 hours and darkness duration from 6 to 16 hours. Allows to set a complete day-night cycle from as short as 14 hours or as long as 34 hours.
- Cycle timer with photocell
- Day and night operation or day only
- On cycles from 1/2 minute to 30 minutes
- Off cycles from 1 minute to 12 hours
SKU:

NBIGS011

Retail: $100.26

Special Price: $84.66
High Temperature Watchdog with Adjustable Delay

Features
- Protects plants by turning off lighting or CO2 generators when temperature is too
high
- Smooth rotating knobs with continuous adjustment
- Restart delay adjustable from 0 to 20 minutes to protect lighting equipment
- High temperature limit adjustable from 70 to 120 °F (21 to 49°C)
- Factory calibrated set knobs for accurate settings
- Precise external temperature sensor on 20 inch cable to place at plants top level:
±1.8°F (±1°C)
- 120 V, maximum outlet current 15 A, 2 HP
- CSA/UL compliant

SKU:

NBIGS012

Retail: $98.80

Special Price: $84.66

Day/Night Controller without display
- Temperature controller without display.
- Can be set to heat of cool with day and night setpoints.
SKU:

NBIGS021

Retail: $104.64

Special Price: $84.66
CO2/RH/Temperature Smart Controller
- Seamless intergrationof Co2 enrichment and intake/exhaust ventilation.
- Co2, relative humidity and temperature precise electronic sensors.
- 24 hour datalogging of sensor values.
- Alarm system hook-up (with iMS-100).
SKU:

NBIGS220

Retail: $718.25

Special Price: $538.96
CO2 Smart Controller with High-Temp shut-off
- Controller with high temperature shut-off function 120v 15 amps
- Easy to set up and install an economical solution to automate CO2 functions
- Compatible with any 120v CO2 regulators and generators
- Control a CO2 bottle or generator
- Shut off CO2 enrichment when temperature is too high
- Can be used for CO2 extraction
- Shut off ventilation when temperature is too low
- Warranty: 1 year
SKU:

NBIGS061

Retail: $579.95

Special Price: $446.56

AquaPro TDS/Temperature Meter
FEATURES
- Measures total dissolved solids (TDS) and temperature.
- Automatic Temperature Compensation (ATC)
- Water-resistant housing
- Measurement Range: 0-5000 ppm
- Digital Calibration (push button)
- Auto-off function, data-hold function and low-battery indicator.
- Display: large and easy-to-read LCD screen includes simultaneous temperature reading.
- The AquaPro is calibrated with a 342 ppm NaCl solution. The meter can be recalibrated with digital calibration using the push buttons, rather than a screwdriver.
- Magnetic back
- Includes a cap and batteries.
SKU:

HMDAP1

Retail: $42.95

Special Price: $35.96
4 Lights/Load Switcher w/built-in delay
- Safely switch high amperage equipment with low cost timer
- Incorporate 0 to 20 minutes ON delay
- prevent hot bulb start-ups or sequence turn-ons to reduce electrical system loading
- 240V capacity
SKU:

NBIGSILS4240

Retail: $239.00

Special Price: $191.20
120V - 15A OFF Switcher
- 15A 120V switches OFF when sense cord is powered
- Used to inhibit Co2, dehumidifyers and/or other equipment while venting is in progress
SKU:

NBIGSILS120OFF

Retail: $89.96

Special Price: $71.39