Collection: Meters & Solutions
In this collection, you will find every product related to water analysis instruments available on our website at the best price!
These instruments are used to check if your nutrient solution has the correct pH (between 5.5 and 6.5 for most plants), and the Total Dissolved Solids (TDS) of a solution, i.e. the “concentration” (references are on the feeding schedule of your nutrient line), they can prevent significant stresses and unwanted alterations in the plant’s growth!
Some of the more advanced water analysis instruments measure more than just the pH and TDS of a solution.
Be sure to clean and store your instruments properly to preserve their lifespan!
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Bluelab Calibration Solution
- Vendor
- Bluelab
- Regular price
- from $2.99
- Sale price
- from $2.99
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Cyco pH Solutions
- Vendor
- Cyco
- Regular price
- from $16.99
- Sale price
- from $16.99
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Alfred pH Test Strips
- Vendor
- Alfred Hydroponic
- Regular price
- $5.99
- Sale price
- $5.99
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Advanced Nutrients pH Solutions
- Vendor
- Advanced Nutrients
- Regular price
- from $13.99
- Sale price
- from $13.99
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Green Planet Nutrients pH Solutions
- Vendor
- GreenPlanet
- Regular price
- from $17.99
- Sale price
- from $17.99
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General Hydroponics pH Up & Down
- Vendor
- General Hydroponics
- Regular price
- from $9.99
- Sale price
- from $9.99
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Hydrofarm 3 Way Soil Meter
- Vendor
- Hydrofarm
- Regular price
- $13.99
- Sale price
- $13.99
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Bluelab pH Probe KCI Storage Solution
- Vendor
- Bluelab
- Regular price
- from $15.99
- Sale price
- from $15.99
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Cyco Calibration Solutions
- Vendor
- Cyco
- Regular price
- $9.99
- Sale price
- $9.99
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TNB Naturals pH Up & Down
- Vendor
- TNB Naturals
- Regular price
- $17.99
- Sale price
- $17.99
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HM Digital pH/Temp Hydro Tester (PH-80)
- Vendor
- HM Digital
- Regular price
- $67.99
- Sale price
- $67.99
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Alfred Digital pH/Temperature & EC/TDS/Temperature Testers
- Vendor
- Alfred Hydroponic
- Regular price
- from $47.99
- Sale price
- from $47.99
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Emerald Harvest pH Up & Down
- Vendor
- Emerald Harvest
- Regular price
- from $21.99
- Sale price
- from $21.99
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Bluelab pH Pen
- Vendor
- Bluelab
- Regular price
- $169.99
- Sale price
- $169.99
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General Hydroponics pH Control Kit
- Vendor
- General Hydroponics
- Regular price
- $38.99
- Sale price
- $38.99
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General Hydroponics pH Test Kit 1oz
- Vendor
- General Hydroponics
- Regular price
- $15.99
- Sale price
- $15.99
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Bluelab Probe Care Kits
- Vendor
- Bluelab
- Regular price
- from $20.99
- Sale price
- from $20.99
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Bluelab Conductivity Pen (EC or PPM)
- Vendor
- Bluelab
- Regular price
- $129.99
- Sale price
- $129.99
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Luster Leaf Soil Testers
- Vendor
- Luster Leaf
- Regular price
- from $11.99
- Sale price
- from $11.99
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HM Digital ph/EC/TDS Assorted Solutions (ASP-20)
- Vendor
- HM Digital
- Regular price
- from $2.99
- Sale price
- from $2.99
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Bluelab 2.77 EC Conductivity Standard Solution
- Vendor
- Bluelab
- Regular price
- from $14.99
- Sale price
- from $14.99
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Bluelab TDS Truncheon Meter Original & Commercial
- Vendor
- Bluelab
- Regular price
- $199.99
- Sale price
- $199.99
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House & Garden pH Osmosis Stabilizer
- Vendor
- House & Garden
- Regular price
- $28.99
- Sale price
- $28.99
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HM Digital pH/ORP Electrode Storage Solution
- Vendor
- HM Digital
- Regular price
- $11.99
- Sale price
- $11.99
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Bluelab Combo Meter pH/EC/CF/TDS/Temp
- Vendor
- Blue Lab
- Regular price
- from $109.99
- Sale price
- from $109.99
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Holland Greenhouse Moisture and pH Meter
- Vendor
- Holland Greenhouse
- Regular price
- $13.99
- Sale price
- $13.99
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HM Digital EC/TDS Hydro Tester (COM-80)
- Vendor
- HM Digital
- Regular price
- $46.99
- Sale price
- $46.99
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Bluelab® pH Controller
- Vendor
- Bluelab
- Regular price
- $799.99
- Sale price
- $799.99
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Bluelab® Guardian Monitor
- Vendor
- Bluelab
- Regular price
- $559.99
- Sale price
- $559.99
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HM Digital TDS NaCl Calibration Solution
- Vendor
- HM Digital
- Regular price
- $9.99
- Sale price
- $9.99
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HM Digital Handheld TDS/Temperature Meter (TDS-3) (w/ Carrying Case)
- Vendor
- HM Digital
- Regular price
- $27.99
- Sale price
- $27.99
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Hanna Intruments GroLine pH Tester (HI98115)
- Vendor
- Hanna Instruments
- Regular price
- from $49.99
- Sale price
- from $49.99
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[HI98311] HANNA DiST5 EC/TDS/Temperature Tester (0-3999 µS/cm)
- Vendor
- Hanna Instruments
- Regular price
- $179.99
- Sale price
- $179.99
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[HI98130] HANNA Combo pH/EC/TDS Tester (High Range)
- Vendor
- Hanna Instruments
- Regular price
- $259.99
- Sale price
- $259.99
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[HI981401N] HANNA Gro'Check pH Meter with LCD
- Vendor
- Hanna Instruments
- Regular price
- $159.99
- Sale price
- $159.99
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HANNA Gro Line Quick Cal Check (460 mL)
- Vendor
- Hanna Instruments
- Regular price
- $17.99
- Sale price
- $17.99
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[HI98129] HANNA Combo pH/EC/TDS Tester (Low Range)
- Vendor
- Hanna Instruments
- Regular price
- $219.99
- Sale price
- $219.99
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[MTNKIT] HANNA Cleaning & Storage Solutions (230 mL)
- Vendor
- Hanna Instruments
- Regular price
- $30.99
- Sale price
- $30.99
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[HI98127] HANNA pHep4 (pH & Temp Tester) RED
- Vendor
- Hanna Instruments
- Regular price
- $129.99
- Sale price
- $129.99
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[HI98128] HANNA pHep5 (pH & Temp Tester) RED
- Vendor
- Hanna Instruments
- Regular price
- $149.99
- Sale price
- $149.99
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