Quick view Details TNB Naturals | sku: TNBCO2REF Refill Pack for The Enhancer CO2 canister MSRP: $19.99 Was: $19.99 Now: $13.00 Add to Cart
Quick view Details TNB Naturals | sku: TNBCO2CAN The Enhancer CO2 canister MSRP: $39.99 Was: $39.99 Now: $26.01 Add to Cart
Quick view Details Milwaukee Instruments | sku: MIMA871 Digital Brix Refractometer Range - 0 to 85 MSRP: $168.30 Was: $168.30 Now: $133.62 Add to Cart
Quick view Details Milwaukee Instruments | sku: MIEC40 Milwaukee Instruments EC40 EC/TDS Nutrient Meter MSRP: $90.20 Was: $90.20 Now: $71.61 Add to Cart
Quick view Details GroStar | sku: AI71117 Apera EC calibration kit (2.77EC, 8oz.) MSRP: $14.99 Was: $14.99 Now: $10.49 Add to Cart
Quick view Details GroStar | sku: AI61170 Apera pH probe maintenance kit MSRP: $23.99 Was: $23.99 Now: $16.79 Add to Cart
Quick view Details GroStar | sku: AI61113 Apera pH calibration kit (pH 4/7, 8oz. each) MSRP: $18.99 Was: $18.99 Now: $13.29 View Details
Quick view Details GroStar | sku: AI58040 Apera GroStar GS4-E replacement pH/EC combo electrode MSRP: $79.99 Was: $79.99 Now: $55.99 Add to Cart
Quick view Details GroStar | sku: AI58030 Apera GroStar GS3-E replacement EC electrode MSRP: $53.99 Was: $53.99 Now: $37.79 Add to Cart
Quick view Details GroStar | sku: AI58020 Apera GroStar GS2-E replacement Soil Spear pH electrode MSRP: $181.99 Was: $181.99 Now: $127.39 Add to Cart
Quick view Details GroStar | sku: AI58010 Apera GroStar GS1-E replacement pH electrode MSRP: $50.99 Was: $50.99 Now: $35.69 Add to Cart
Quick view Details GroStar | sku: AI31020 Apera GroStar GS2 Soil pH Pen MSRP: $256.99 Was: $256.99 Now: $179.89 Add to Cart
Quick view Details GroStar | sku: AI21040 Apera GroStar GS4 pH/EC Combo Pen MSRP: $178.99 Was: $178.99 Now: $125.29 Add to Cart
Quick view Details GroStar | sku: AI11030 Apera GroStar GS3 EC Pen MSRP: $113.99 Was: $113.99 Now: $79.79 Add to Cart
Quick view Details GroStar | sku: AI11010 Apera GroStar GS1 pH Pen MSRP: $115.99 Was: $115.99 Now: $84.39 Add to Cart
Quick view Details Bluelab | sku: HGC716439 Bluelab Pulse Multimedia EC/MC Meter MSRP: $338.14 Was: $338.14 Now: $246.59 Add to Cart
Quick view Details Bluelab | sku: HGC716438 Bluelab Soil pH Pen MSRP: $210.94 Was: $210.94 Now: $161.37 View Details
Quick view Details Sure Test | sku: HGC716406 Sure Test GroGuru Stem w/ 3 Sensors MSRP: $1,095.00 Was: $1,095.00 Now: $713.80 Add to Cart
Quick view Details Titan Controls | sku: HGC702617 Titan Controls Atlas 1 Remote Sensor Replacement MSRP: $545.44 Was: $545.44 Now: $361.08 View Details
Quick view Details Bluelab | sku: HGC716442 Bluelab Guardian Monitor Power Supply MSRP: $30.74 Was: $30.74 Now: $30.15 Add to Cart
Quick view Details Advanced Nutrients | sku: 6555-14 Advanced Nutrients Sensizym OIM- 1 Liter MSRP: $49.48 Was: $49.48 Now: $27.21 View Details
Quick view Details Titan Controls | sku: HGC702630 Titan Controls Zephyr 1 - Day/Night Temp Controller MSRP: $114.39 Was: $114.39 Now: $77.49 Add to Cart
Quick view Details Titan Controls | sku: HGC702618 Titan Controls Atlas 2 - Preset CO2 Monitor/Controller MSRP: $429.98 Was: $429.98 Now: $275.98 Add to Cart
Quick view Details Titan Controls | sku: HGC702614 Titan Controls Atlas 7 - CO2 Controller MSRP: $349.68 Was: $349.68 Now: $242.79 Add to Cart
Quick view Details Luster Leaf | sku: LL01825 Digital Moisture Meter MSRP: $17.99 Was: $17.99 Now: $15.47 Add to Cart
Quick view Details HM Digital | sku: HMDSPC1 Replacement Platinum Sensor COM-100 MSRP: $36.95 Was: $36.95 Now: $24.02 Add to Cart
Quick view Details Hanna Instruments | sku: HI70300-023 Hanna 230 mL Storage Solution MSRP: $16.00 Was: $16.00 Now: $9.89 Add to Cart
Quick view Details Hanna Instruments | sku: HI7061-023 Hanna 230 mL Cleaning Solution MSRP: Now: $16.00 View Details
Quick view Details Alchemist | sku: HGC722101 Alchemist pH Down Non-Corrosive Gallon MSRP: $59.11 Was: $59.11 Now: $38.21 Add to Cart
Quick view Details Bluelab | sku: HGC716451 Bluelab PeriPod M4 MSRP: $1,588.94 Was: $1,588.94 Now: $1,134.52 Add to Cart
Quick view Details Bluelab | sku: HGC716437 Bluelab Combo Plus Meter - Probe Included MSRP: $401.74 Was: $401.74 Now: $286.85 Add to Cart
Quick view Details Sure Test | sku: HGC716410 Sure Test GroGuru Base w/ Cellular Modem MSRP: $1,265.74 Was: $1,265.74 Now: $319.00 Add to Cart
Quick view TNB Naturals | sku: TNBCO2REF Refill Pack for The Enhancer CO2 canister TNB Naturals The Enhancer Refill Pack The Enhancer now comes in a convenient refill pack! The TNB CO2 Refill Pack gives growers the ability to reuse their existing Enhancer bottle while saving money and reducing their environmental footprint at the... MSRP: $19.99 Was: $19.99 Now: $13.00 Add to Cart
Quick view TNB Naturals | sku: TNBCO2CAN The Enhancer CO2 canister TNB Naturals The Enhancer The Enhancer is an all natural CO2 generator made from 100% organic ingredients. This safe and effective solution for CO2 supplementation creates a blast of CO2 that can reach 1200 PPM in a 12’x12’x12’... MSRP: $39.99 Was: $39.99 Now: $26.01 Add to Cart
Quick view Milwaukee Instruments | sku: MIMA871 Digital Brix Refractometer Range - 0 to 85 Digital Sugar Refractometer for general purpose with automatic temperature compensation (ATC).Range 0-85% Brix, resolution 0.1%, units come with battery. MSRP: $168.30 Was: $168.30 Now: $133.62 Add to Cart
Quick view Milwaukee Instruments | sku: MIEC40 Milwaukee Instruments EC40 EC/TDS Nutrient Meter Milwaukee EC40 PRO EC/TDS Nutrient Meter The Milwaukee EC PRO EC/TDS Nutrient Meter is an extremely tough, reliable, IP67 Waterproof Nutrient Meter designed to meet your Hydroponic, horticulture and agricultural needs! This meter arrives... MSRP: $90.20 Was: $90.20 Now: $71.61 Add to Cart
Quick view GroStar | sku: AI71117 Apera EC calibration kit (2.77EC, 8oz.) MSRP: $14.99 Was: $14.99 Now: $10.49 Add to Cart
Quick view GroStar | sku: AI61170 Apera pH probe maintenance kit MSRP: $23.99 Was: $23.99 Now: $16.79 Add to Cart
Quick view GroStar | sku: AI61113 Apera pH calibration kit (pH 4/7, 8oz. each) MSRP: $18.99 Was: $18.99 Now: $13.29 View Details
Quick view GroStar | sku: AI58040 Apera GroStar GS4-E replacement pH/EC combo electrode MSRP: $79.99 Was: $79.99 Now: $55.99 Add to Cart
Quick view GroStar | sku: AI58030 Apera GroStar GS3-E replacement EC electrode MSRP: $53.99 Was: $53.99 Now: $37.79 Add to Cart
Quick view GroStar | sku: AI58020 Apera GroStar GS2-E replacement Soil Spear pH electrode MSRP: $181.99 Was: $181.99 Now: $127.39 Add to Cart
Quick view GroStar | sku: AI58010 Apera GroStar GS1-E replacement pH electrode MSRP: $50.99 Was: $50.99 Now: $35.69 Add to Cart
Quick view GroStar | sku: AI31020 Apera GroStar GS2 Soil pH Pen MSRP: $256.99 Was: $256.99 Now: $179.89 Add to Cart
Quick view GroStar | sku: AI21040 Apera GroStar GS4 pH/EC Combo Pen MSRP: $178.99 Was: $178.99 Now: $125.29 Add to Cart
Quick view GroStar | sku: AI11030 Apera GroStar GS3 EC Pen MSRP: $113.99 Was: $113.99 Now: $79.79 Add to Cart
Quick view GroStar | sku: AI11010 Apera GroStar GS1 pH Pen MSRP: $115.99 Was: $115.99 Now: $84.39 Add to Cart
Quick view Bluelab | sku: HGC716439 Bluelab Pulse Multimedia EC/MC Meter Introducing Pulse, a new innovation designed and made in NZ by Bluelab. Easily check moisture, conductivity (a measure of the nutrient salts present in the media) and temperature directly from the root zone or in nutrient a solution. Check, correct and... MSRP: $338.14 Was: $338.14 Now: $246.59 Add to Cart
Quick view Bluelab | sku: HGC716438 Bluelab Soil pH Pen The Bluelab® Soil pH Pen provides a pH and temperature reading of soils and media, so you know that the right nutrients will be made available to your plants. In soils or growing media, pH strongly influences the availability of the microorganisms to... MSRP: $210.94 Was: $210.94 Now: $161.37 View Details
Quick view Sure Test | sku: HGC716406 Sure Test GroGuru Stem w/ 3 Sensors The sensors on the Sure Test® GroGuru Stem have been designed to provide you the info about your root zone to make your growing even more successful. These sensors measure the moisture content, electrical conductivity (EC), salinity and temperature of... MSRP: $1,095.00 Was: $1,095.00 Now: $713.80 Add to Cart
Quick view Titan Controls | sku: HGC702617 Titan Controls Atlas 1 Remote Sensor Replacement Atlas® 1 CO2 Monitor/Controller comes with a 25 ft remote sensor. It features adjustable set point and elevation levels, a built-in self calibration function and an integrated photocell that enables operation in daytime hours only, when the plants need... MSRP: $545.44 Was: $545.44 Now: $361.08 View Details
Quick view Bluelab | sku: HGC716442 Bluelab Guardian Monitor Power Supply Adjustable brightness display. Large easy-to-read, plant-safe green LED displays. Selectable values for conductivity and temperature. Simple push button pH calibration system. No calibration required for conductivity and temperature. Silent alarm for... MSRP: $30.74 Was: $30.74 Now: $30.15 Add to Cart
Quick view Advanced Nutrients | sku: 6555-14 Advanced Nutrients Sensizym OIM- 1 Liter MSRP: $49.48 Was: $49.48 Now: $27.21 View Details
Quick view Titan Controls | sku: HGC702630 Titan Controls Zephyr 1 - Day/Night Temp Controller Temperature control range is 55°F to 95°F. Controls cooling or heating equipment. Day and night settings keep temperature within 4°F of set point. 6 ft temperature probe is accurate to within 2°F. Enclosure protects internal components from dust, rust... MSRP: $114.39 Was: $114.39 Now: $77.49 Add to Cart
Quick view Titan Controls | sku: HGC702618 Titan Controls Atlas 2 - Preset CO2 Monitor/Controller Preset CO2 control at 1500 PPM. Built-in self-calibration feature. Easiest to use CO2 controller on the market. Simply plug in your CO2 generator or regulator and you are ready to go. Built-in photocell allows CO2 enrichment only during daylight hours... MSRP: $429.98 Was: $429.98 Now: $275.98 Add to Cart
Quick view Titan Controls | sku: HGC702614 Titan Controls Atlas 7 - CO2 Controller Select CO2 ppm levels at 1000 ppm, 1250 ppm or 1500 ppm. Integrated photocell. Built-in calibration feature. Single button control. Enclosure resists dust, rust and moisture. 5 Amps maximum/120 V/ 60 Hz. MSRP: $349.68 Was: $349.68 Now: $242.79 Add to Cart
Quick view Luster Leaf | sku: LL01825 Digital Moisture Meter Digital results from 0 to 9.9. Printed instructions and extensive plant list. MSRP: $17.99 Was: $17.99 Now: $15.47 Add to Cart
Quick view HM Digital | sku: HMDSPC1 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. MSRP: $36.95 Was: $36.95 Now: $24.02 Add to Cart
Quick view Hanna Instruments | sku: HI70300-023 Hanna 230 mL Storage Solution No information at this time MSRP: $16.00 Was: $16.00 Now: $9.89 Add to Cart
Quick view Hanna Instruments | sku: HI7061-023 Hanna 230 mL Cleaning Solution GroLine Cleaning Solutions GroLine Cleaning Solution is a specially formulated acid that cleans pH electrodes. Growers should avoid touching the glass on pH electrodes as doing so can damage the electrode's invisible (but extremely important) gel layer... MSRP: Now: $16.00 View Details
Quick view Alchemist | sku: HGC722101 Alchemist pH Down Non-Corrosive Gallon Alchemist pH Down is comprised of very pure, food-safe ingredients. This unique buffer is non-toxic, non-corrosive and non-hazardous, making it like no other pH buffer on the market. Alchemist pH Down Non-Corrosive will not increase the conductivity of... MSRP: $59.11 Was: $59.11 Now: $38.21 Add to Cart
Quick view Bluelab | sku: HGC716451 Bluelab PeriPod M4 Designed to be teamed with the Bluelab® Pro Controller for a fully integrated solution for optimal reservoir dosing, the Bluelab® PeriPod is a simple and reliable inclusion. The Bluelab® PeriPod responds to dosing triggers received from the Bluelab® Pro... MSRP: $1,588.94 Was: $1,588.94 Now: $1,134.52 Add to Cart
Quick view Bluelab | sku: HGC716437 Bluelab Combo Plus Meter - Probe Included The Bluelab® Combo Meter Plus is an all-in-one, convenient portable solution for accurate measurement of pH, conductivity and temperature in nutrient solution. The battery-powered, lightweight unit can be used anywhere, anytime to measure critical... MSRP: $401.74 Was: $401.74 Now: $286.85 Add to Cart
Quick view Sure Test | sku: HGC716410 Sure Test GroGuru Base w/ Cellular Modem The Sure Test® GroGuru Base (Collector) is used to collect data from the various Stems (sold separately) with sensors. The Base then forwards this information to the cloud. A single Base can be used to communicate with up to 1,000 Stems depending on... MSRP: $1,265.74 Was: $1,265.74 Now: $319.00 Add to Cart