• Sustainable Hydroponics & Organic Garden Supply

    Sustainable Hydroponics

    • Store
    • Contact us
  • 970-373-3786
    Get directions
    Business hours
Sustainable Hydroponics & Organic Garden Supply

Sustainable Hydroponics

970-373-3786
Sustainable Hydroponics & Organic Garden Supply
Categories
GroStar Apera Combo Pen GS4 pH/ EC/ 500ppm/ 700ppm/ Temp 5-in-1 Tester

GroStar Apera Combo Pen GS4 pH/ EC/ 500ppm/ 700ppm/ Temp 5-in-1 Tester

Store/maintenance
SKU 244421
158.38
SRP⠀ 222.88 − 64.50
✅ price beat guarantee
1
Save this product for later
Share this product with your friends
ShareSharePin it
GroStar Apera Combo Pen GS4 pH/ EC/ 500ppm/ 700ppm/ Temp 5-in-1 Tester
Store/maintenance
Product Details
UPC: 810214031604
Brand: GroStar
Available stock: 106+

item
244421

🌱

AI21040 - GroStar GS4 pH/EC/500ppm/700ppm & Temp (5-in-1) Combo Pen

Lab grade instruments designed specifically for growers!

Includes:
• 2-year warranty (instrument)
• 1-year warranty (probe)
• pH 7 & pH4 calibration solution (50ml bottle each)
• 2.77 EC calibration solution (50ml bottle)
• KCL storage solution (10ml bottle)
• Lanyard and user manual

Features:
• Measures pH, conductivity (EC and 500ppm/700ppm) and temperature (5-in-1)
• Compatible with all GroStar replacement probes: pH, Soil pH, EC and PH/EC Combo
• Premium probe technologies and materials ensure high accuracy and durability with minimal maintenance
• Easy-to-use design and fast calibration adjustment
• Double junction replaceable probe, so you don’t have to discard the entire pen when the probe reaches its end of life
• Large 3-color backlit screen gives you clear information
• Durable structure, IP67 waterproof rating
• Powered by AAA batteries with auto off function
• Automatic temperature compensation

Show More
You May Also Like
Dosatron Dilution Solutions Water Hammer Arrestor Installation Kit
Dosatron Dilution Solutions Water Hammer Arrestor Installation Kit
SRP⠀ 317.59
− 37.50
280.09
Dosatron Dilution Solutions Water Hammer Arrestor Installation Kit
✅ price beat guarantee
SKU 2179712
﹟31% off sale
Hydro-Logic Wrench Stealth RO Double ended
Hydro-Logic Wrench Stealth RO Double ended
SRP⠀ 15.20
− 4.64
10.56
Hydro-Logic Wrench Stealth RO Double ended
✅ price beat guarantee
SKU 200343
Hydro-Logic Hyper-Logic Float Switch Assembly Dual Level Dual High
Hydro-Logic Hyper-Logic Float Switch Assembly Dual Level Dual High
SRP⠀ 473.58
− 90.50
383.08
Hydro-Logic Hyper-Logic Float Switch Assembly Dual Level Dual High
✅ price beat guarantee
SKU 236761
AXEON Big Switch Series Float Switch 20 foot 220 volt
AXEON Big Switch Series Float Switch 20 foot 220 volt
SRP⠀ 258.38
− 75.50
182.88
AXEON Big Switch Series Float Switch 20 foot 220 volt
✅ price beat guarantee
SKU 244181
AgraTronix BHT-2 Baler-mounted Hay Moisture Tester 1/ each
AgraTronix BHT-2 Baler-mounted Hay Moisture Tester 1/ each
SRP⠀ 425.07
− 53.50
371.57
AgraTronix BHT-2 Baler-mounted Hay Moisture Tester 1/ each
✅ price beat guarantee
SKU 239421
AXEON Reverse Osmosis RO System HF5 Series 4040 Membrane
AXEON Reverse Osmosis RO System HF5 Series 4040 Membrane
SRP⠀ 741.36
− 204.50
536.86
AXEON Reverse Osmosis RO System HF5 Series 4040 Membrane
✅ price beat guarantee
SKU 244211
Blue Angel Sump Pump with 8 foot cord
Blue Angel Sump Pump with 8 foot cord
SRP⠀ 233.12
− 33.50
199.62
Blue Angel Sump Pump with 8 foot cord
✅ price beat guarantee
SKU 2111112
Grow More Siphon Mixer System Hose 30-90 PSI
Grow More Siphon Mixer System Hose 30-90 PSI
SRP⠀ 33.90
− 11.70
22.20
Grow More Siphon Mixer System Hose 30-90 PSI
✅ price beat guarantee
SKU 249961
Hydro-Logic Hyper-Logic Cleaning Powder Low 25 pound High pH
Hydro-Logic Hyper-Logic Cleaning Powder Low 25 pound High pH
SRP⠀ 922.27
− 168.50
753.77
Hydro-Logic Hyper-Logic Cleaning Powder Low 25 pound High pH
✅ price beat guarantee
SKU 236741
Blue Angel Water Control System Wifi-Enabled with Solid State Air Switch with Remote Display 1/2 HP 94 GPM Gemini GSP-50
Blue Angel Water Control System Wifi-Enabled with Solid State Air Switch with Remote Display 1/2 HP 94 GPM Gemini GSP-50
SRP⠀ 1 985.20
− 313.50
1 671.70
Blue Angel Water Control System Wifi-Enabled with Solid State Air Switch with Remote Display 1/2 HP 94 GPM Gemini GSP-50
✅ price beat guarantee
SKU 211301
﹟fave
Bluelab Pulse Wireless Meter EC/ Nutrient, Moisture, Temperature
Bluelab Pulse Wireless Meter EC/ Nutrient, Moisture, Temperature
SRP⠀ 344.47
− 73.50
270.97
Bluelab Pulse Wireless Meter EC/ Nutrient, Moisture, Temperature
✅ price beat guarantee
SKU 200941
﹟fave
AquaVita Water Pump Screen Protector Filter Bag
AquaVita Water Pump Screen Protector Filter Bag
SRP⠀ 17.47
− 5.86
11.61
AquaVita Water Pump Screen Protector Filter Bag
✅ price beat guarantee
SKU 2049412
Grodan GroSens Upgrade Package for HandHeld System
Grodan GroSens Upgrade Package for HandHeld System
SRP⠀ 8 308.60
− 1 048.50
7 260.10
Grodan GroSens Upgrade Package for HandHeld System
✅ price beat guarantee
SKU 218201
Bluelab Pro Controller
Bluelab Pro Controller
SRP⠀ 1 368.87
− 321.50
1 047.37
Bluelab Pro Controller
✅ price beat guarantee
SKU 214051
﹟fave
Active Aqua Water Pump Submersible
Active Aqua Water Pump Submersible
SRP⠀ 17.72
− 4.88
12.84
Active Aqua Water Pump Submersible
✅ price beat guarantee
SKU 2012112
﹟fave
Bluelab Combo Meter Plus Commerical for pH, EC, PPM, TDS, Temperature of Solution and pH of Soil, Rockwool, Coco, Potting Mixes, etc.
Bluelab Combo Meter Plus Commerical for pH, EC, PPM, TDS, Temperature of Solution and pH of Soil, Rockwool, Coco, Potting Mixes, etc.
SRP⠀ 446.63
− 123.50
323.13
Bluelab Combo Meter Plus Commerical for pH, EC, PPM, TDS, Temperature of Solution and pH of Soil, Rockwool, Coco, Potting Mixes, etc.
✅ price beat guarantee
SKU 200901
﹟31% off sale
Hydro-Logic micRO-75 Reverse Osmosis RO Compact/ Portable 75 GPD 12x2 inch Replacement Membrane
Hydro-Logic micRO-75 Reverse Osmosis RO Compact/ Portable 75 GPD 12x2 inch Replacement Membrane
SRP⠀ 93.86
− 28.63
65.23
Hydro-Logic micRO-75 Reverse Osmosis RO Compact/ Portable 75 GPD 12x2 inch Replacement Membrane
✅ price beat guarantee
SKU 210401
Dosatron Dilution Solutions Etatron eOne Micro Doser Micro-Dosing Pump Kit
Dosatron Dilution Solutions Etatron eOne Micro Doser Micro-Dosing Pump Kit
SRP⠀ 1 935.09
− 311.50
1 623.59
Dosatron Dilution Solutions Etatron eOne Micro Doser Micro-Dosing Pump Kit
✅ price beat guarantee
SKU 2180612
Bluelab Sample Pot
Bluelab Sample Pot
SRP⠀ 235.70
− 68.50
167.20
Bluelab Sample Pot
✅ price beat guarantee
SKU 249461
Wayne Sump Pump Thermoplastic
Wayne Sump Pump Thermoplastic
SRP⠀ 173.68
− 20.50
153.18
Wayne Sump Pump Thermoplastic
✅ price beat guarantee
SKU 2110212
GroStar Apera Soil pH Pen
GroStar Apera Soil pH Pen
SRP⠀ 320.08
− 93.50
226.58
GroStar Apera Soil pH Pen
✅ price beat guarantee
SKU 2443712
﹟fave
AquaVita Air Stone Cylinder with Base
AquaVita Air Stone Cylinder with Base
SRP⠀ 7.49
− 2.21
5.28
AquaVita Air Stone Cylinder with Base
✅ price beat guarantee
SKU 2047312
GroStar Apera Kit pH Calibration
GroStar Apera Kit pH Calibration
SRP⠀ 29.14
− 7.73
21.41
GroStar Apera Kit pH Calibration
✅ price beat guarantee
SKU 2443612
Bluelab Probe Care Kit for both Conductivity and pH
Bluelab Probe Care Kit for both Conductivity and pH
SRP⠀ 44.20
− 15.25
28.95
Bluelab Probe Care Kit for both Conductivity and pH
✅ price beat guarantee
SKU 249431
Bluelab M4 PeriPod Fully Integrated Doser and pH Adjuster 4 pump
Bluelab M4 PeriPod Fully Integrated Doser and pH Adjuster 4 pump
SRP⠀ 1 545.25
− 349.50
1 195.75
Bluelab M4 PeriPod Fully Integrated Doser and pH Adjuster 4 pump
✅ price beat guarantee
SKU 214081
﹟fave
Eco Plus Air Stone Cylinder
Eco Plus Air Stone Cylinder
SRP⠀ 8.81
− 3.04
5.77
Eco Plus Air Stone Cylinder
✅ price beat guarantee
SKU 2168612
AXEON Reverse Osmosis RO System N Series
AXEON Reverse Osmosis RO System N Series
SRP⠀ 10 525.78
− 1 388.50
9 137.28
AXEON Reverse Osmosis RO System N Series
✅ price beat guarantee
SKU 2011332
AgraTronix Coffee & Cocoa Bean Moisture Tester 1/ each
AgraTronix Coffee & Cocoa Bean Moisture Tester 1/ each
SRP⠀ 289.94
− 25.50
264.44
AgraTronix Coffee & Cocoa Bean Moisture Tester 1/ each
✅ price beat guarantee
SKU 239431
﹟fave
AquaVita Air Pump Commercial 3/16 inch with 5 foot cord
AquaVita Air Pump Commercial 3/16 inch with 5 foot cord
SRP⠀ 44.89
− 14.15
30.74
AquaVita Air Pump Commercial 3/16 inch with 5 foot cord
✅ price beat guarantee
SKU 2016912
﹟fave
AquaVita Heater Shatter-Resistant Quartz Reservoir Salt and Freshwater 300 watt 66-90 degrees Fahrenheit
AquaVita Heater Shatter-Resistant Quartz Reservoir Salt and Freshwater 300 watt 66-90 degrees Fahrenheit
SRP⠀ 34.56
− 9.85
24.71
AquaVita Heater Shatter-Resistant Quartz Reservoir Salt and Freshwater 300 watt 66-90 degrees Fahrenheit
✅ price beat guarantee
SKU 204901
  • Search Products
  • My Account
  • Track Orders
  • Favorites
  • shopping cart
  • Gift Cards
Powered by Lightspeed
Display prices in:USD

Contact us

970-373-3786
sales@sustainhydro.com

Connect with us

Facebook
X (former Twitter)
Pinterest
Instagram
YouTube
Share Share Pin
© Sustainable Hydroponics & Organic Garden Supply Report abuse Cookie settings
Powered by Lightspeed