Meters
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Mini Greenhouse Thermo-Hygrometer
Original price $20.00Original price $20.00 - Original price $20.00Original price $20.00Current price $15.00$15.00 - $15.00Current price $15.00The Mondi Mini Greenhouse Thermo-Hygrometer mounts to the side of your mini greenhouse and reads temperature and humidity inside the dome. It ensur...
View full detailsOriginal price $20.00Original price $20.00 - Original price $20.00Original price $20.00Current price $15.00$15.00 - $15.00Current price $15.00Save $5.00 -
GroStar GS4 pH/EC/500ppm/700ppm/Temp (5-in-1) Combo Pen
Original price $215.00 - Original price $215.00Original price$215.00$215.00 - $215.00Current price $215.00AI21040 - GroStar GS4 pH/EC/500ppm/700ppm & Temp (5-in-1) Combo Pen Lab grade instruments designed specifically for growers! Includes: pH 7...
View full detailsOriginal price $215.00 - Original price $215.00Original price$215.00$215.00 - $215.00Current price $215.00 -
HM Digital PH-80 pH/Temperature Meter
Original price $46.50 - Original price $46.50Original price$46.50$46.50 - $46.50Current price $46.50The PH-80 is an economically priced, reliable pH meter that is ideal for testing applications such as hydroponics & gardening, pools & spas...
View full detailsOriginal price $46.50 - Original price $46.50Original price$46.50$46.50 - $46.50Current price $46.50 -
Save $15.00
Gardena Smart Flow Water Meter
Original price $60.00Original price $60.00 - Original price $60.00Original price $60.00Current price $45.00$45.00 - $45.00Current price $45.00The Gardena Smart Flow Water Meter measures water usage daily, monthly, by season, or yearly. The LCD screen clearly displays information with meas...
View full detailsOriginal price $60.00Original price $60.00 - Original price $60.00Original price $60.00Current price $45.00$45.00 - $45.00Current price $45.00Save $15.00 -
HM Digital COM-100 Waterproof EC/TDS/Temp Combo Meter
Original price $75.99 - Original price $75.99Original price$75.99$75.99 - $75.99Current price $75.99Ideal for all water quality testing, water purification applications, wastewater regulation, aquaculture, hydroponics, colloidal sil...
View full detailsOriginal price $75.99 - Original price $75.99Original price$75.99$75.99 - $75.99Current price $75.99 -
GroStar GS3-E replacement EC electrode
Original price $65.00 - Original price $65.00Original price$65.00$65.00 - $65.00Current price $65.00AI58030 - GroStar GS3-E replacement EC electrode • Measures conductivity EC, PPM (500), PPM (700) and temperature• Premium probe technologies and ...
View full detailsOriginal price $65.00 - Original price $65.00Original price$65.00$65.00 - $65.00Current price $65.00 -
GroStar GS1-E replacement pH electrode
Original price $60.00 - Original price $60.00Original price$60.00$60.00 - $60.00Current price $60.00AI58010 - GroStar GS1-E replacement pH electrode • Replacement GS1 probe measures pH and temperature• Premium probe technologies and materials ens...
View full detailsOriginal price $60.00 - Original price $60.00Original price$60.00$60.00 - $60.00Current price $60.00 -
GroStar GS3 EC Pen
Original price $139.00 - Original price $139.00Original price$139.00$139.00 - $139.00Current price $139.00A lab-grade tool designed specifically for horticulture, this easy-to-use pen allows you to quickly measure and calibrate water EC, PPM (500), PPM ...
View full detailsOriginal price $139.00 - Original price $139.00Original price$139.00$139.00 - $139.00Current price $139.00 -
GroStar GS1 pH Pen
Original price $139.00 - Original price $139.00Original price$139.00$139.00 - $139.00Current price $139.00A lab-grade tool designed specifically for horticulture, this easy-to-use pen allows you to quickly measure and calibrate pH. Premium probe technol...
View full detailsOriginal price $139.00 - Original price $139.00Original price$139.00$139.00 - $139.00Current price $139.00 -
Save $8.00
Luster Leaf Digital Soil pH Meter
Original price $24.00Original price $24.00 - Original price $24.00Original price $24.00Current price $16.00$16.00 - $16.00Current price $16.00Digital results from 3.5 to 9.0. Instructions and plant pH preference list included.
Original price $24.00Original price $24.00 - Original price $24.00Original price $24.00Current price $16.00$16.00 - $16.00Current price $16.00Save $8.00 -
Save $6.00
Luster Leaf Digital Moisture Meter
Original price $21.00Original price $21.00 - Original price $21.00Original price $21.00Current price $15.00$15.00 - $15.00Current price $15.00Digital results from 0 to 9.9. Printed instructions and extensive plant list.
Original price $21.00Original price $21.00 - Original price $21.00Original price $21.00Current price $15.00$15.00 - $15.00Current price $15.00Save $6.00 -
Save $7.00
P3 International Save a Drop Water Meter
Original price $24.00Original price $24.00 - Original price $24.00Original price $24.00Current price $17.00$17.00 - $17.00Current price $17.00It is widely accepted that talking to your plants is great for their health. If they could speak to you, what would they say? Probably that they're...
View full detailsOriginal price $24.00Original price $24.00 - Original price $24.00Original price $24.00Current price $17.00$17.00 - $17.00Current price $17.00Save $7.00 -
HM Digital Replacement Platinum Sensor for COM-100
Original price $35.00 - Original price $35.00Original price$35.00$35.00 - $35.00Current price $35.00This spare sensor is for HM Digital EC/TDS/Temp Combo Meter model COM-100. Features platinum TDS/EC sensor and thermister.
Original price $35.00 - Original price $35.00Original price$35.00$35.00 - $35.00Current price $35.00 -
GroStar GS4-E replacement pH/EC combo electrode
Original price $96.00 - Original price $96.00Original price$96.00$96.00 - $96.00Current price $96.00AI58040 - GroStar GS4-E replacement pH/EC combo electrode • Measures pH, conductivity (EC and PPM) and temperature• Combo probe built with lithium...
View full detailsOriginal price $96.00 - Original price $96.00Original price$96.00$96.00 - $96.00Current price $96.00 -
GroStar GS2-E replacement Soil Spear pH electrode
Original price $220.00 - Original price $220.00Original price$220.00$220.00 - $220.00Current price $220.00AI58020 - GroStar GS2-E replacement Soil Spear pH electrode • Spear pH Probe measures pH and temperature in nutrient solution, soil, coco coir, ro...
View full detailsOriginal price $220.00 - Original price $220.00Original price$220.00$220.00 - $220.00Current price $220.00 -
GroStar GS2 Soil pH Pen
Original price $310.00 - Original price $310.00Original price$310.00$310.00 - $310.00Current price $310.00AI31020 - GroStar GS2 Soil pH Pen Lab grade instruments designed specifically for growers! Includes: pH 7 & pH 4 solution (50ml bottles of e...
View full detailsOriginal price $310.00 - Original price $310.00Original price$310.00$310.00 - $310.00Current price $310.00
