1. HM Digital
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0-9990 ppm Measurement Range, HM Digital TDS-EZ Water Quality TDS Tester, 1 ppm Resolution, 3% Readout Accuracy
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Fun, translucent blue housing that's very strong and durable. Includes a tds chart sticker on the back of the meter that explains TDS values. From 0-999 ppm, the resolution is in increments of 1ppm.
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Meters can be recalibrated with a mini-screwdriver. Tds-ez meters are calibrated with a 342 ppm nacl solution. 1000 hours of usage and power source is 2 x 1. 5v button cell batteries included LR44 or equivalent. Highly efficient and accurate due to its advanced microprocessor technology. Auto-off function: the meter shuts off automatically after 10 minutes of non-use to conserve batteries. From 1000 to 9990 ppm, the resolution is in increments of 10ppm, indicated by a blinking 'x10' image.
| Brand | HM Digital #ad |
| Manufacturer | HM Digital, Inc. #ad |
| Height | 6.1 Inches |
| Length | 1 Inches |
| Weight | 0.06 Pounds |
| Width | 1.25 Inches |
| Part Number | TDS-EZ |
| Model | TDS-EZ |
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2. iSpring
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ISpring TDS 3-Button Digital Water Quality Test Meter with Temperature Test Function
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Lifetime cs and tech support from Atlanta, GA. Accurate and easy-to-use highly efficient and accurate due to its advanced microprocessor technology.
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We're here to help! A trustworthy multifunctional TDS pen to know TDS and temperatures of water in any home, light weight1. The tds meter is great for checking your tap water quality and knowing when to change a filter. 76 oz, lab, or industrial environment. Top-notch customer service backed by a risk-free 30-day money-back and extended manufacturer upon registration at iSpring. Value package ispring tds meter x 1, portable Leather Carrying Case with Belt Clip x 1, User Manual with TDS Chart x 1. Temp button: Display temperatures. Auto-off function: Shuts off automatically after a few minutes of inactivity. The tds reading will be displayed on the LED screen in ppm parts per million.
| Brand | iSpring #ad |
| Manufacturer | iSpring #ad |
| Height | 0.79 Inches |
| Length | 5.91 Inches |
| Weight | 0.11 Pounds |
| Width | 1.18 Inches |
| Part Number | TDS3 |
| Model | TDS3 |
| Warranty | 30-Day Money-Back Guarantee; Extended Warranty Upon Warranty Registration; Lifetime CS and Tech Support from Atlanta, GA. |
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3. HDE
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HDE Hydroponic Fruit Vegetable Grow Kit- 3-in-1 Soil Light Sensor + TDS ppm Test Pen + pH Meter Digital Monitor
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Tds tester measures 0-9990 parts per million; **Note: Calibration fluid is needed, but not included with this product. Can be used for indoor and outdoor flowers & plants, fruit & vegetable gardens, and lawns; The perfect tool to test soil conditions with high accuracy and easy operation.| Brand | HDE #ad |
| Manufacturer | HDE #ad |
| Part Number | HDE-*C19+N12+N109 NEW15 |
| Model | U174 NEW17 |
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4. Digital Aid
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TDS, Best Water Quality Test Meter. Large Backlit LCD Screen. Professional TDS and Temperature Meter at an Economy Price. on this Accurate and Reliable Water Test Meter.
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Professional quality, unlike economy models available, you get What You Pay For! If you are looking for a Super Accurate and Reliable Meter, this is the one for You! Tds tells you when you need to change your Filters.| Brand | Digital Aid #ad |
| Manufacturer | Digital Aid #ad |
| Height | 1 Inches |
| Length | 6 Inches |
| Width | 1 Inches |
| Part Number | TDS-3 |
| Model | TDS - 3 |
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5. Extech
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Extech PH100 ExStik pH Waterproof Meter
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00, temperature and bargraph of trends in acidity or alkalinity; device stores and recalls up to 15 labeled readings. Flat surface ph electrode is waterproof and rugged enough to withstand harsh environments. Renew feature tells you when it and' time to replace your pH electrode.| Brand | Extech #ad |
| Manufacturer | Extech Instruments #ad |
| Height | 1.4 Inches |
| Length | 6.8 Inches |
| Weight | 0.26 Pounds |
| Width | 1.6 Inches |
| Part Number | PH100 |
| Model | PH100 |
| Warranty | 1 year (meter only) |
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6. General Hydroponics
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General Hydroponics pH Control Kit for a Balanced Nutrient Solution
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Many growers prefer our pH test kit to expensive electronic meters because of its reliability and ease of use. General hydroponics pH control kit makes pH testing easy.| Brand | General Hydroponics #ad |
| Manufacturer | General Hydroponics #ad |
| Height | 2.7 Inches |
| Length | 5.8 Inches |
| Weight | 1.5 Pounds |
| Width | 4.8 Inches |
| Part Number | 722080 |
| Model | HGC722080 |
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7. Bluelab
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EC, CF, Bluelab PENCON Conductivity Pen Fully Waterproof Pocket Tester, PPM 700, PPM 500
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Conductivity pen can monitor your nutrient level to maximize your grow and ensure plants get the balanced feed they need; calibration optional.
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Complete your monitor and controller system with other testers and meters from Bluelab. Other features: auto off function, low battery indicator, units for temperature; KIT INCLUDES: AAA battery.| Brand | Bluelab #ad |
| Manufacturer | Bluelab Corporation Limited - Import (NZ) #ad |
| Height | 1.3 Inches |
| Length | 9.8 Inches |
| Weight | 0.24 Pounds |
| Width | 2.2 Inches |
| Part Number | BLU2221 |
| Model | BLU2221 |
| Warranty | One year free repair or replacement guarantee |
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8. Extech
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Extech 601500 Standard pH Electrode
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| Brand | Extech #ad |
| Manufacturer | Extech #ad |
| Height | 0.6 Inches |
| Length | 0.6 Inches |
| Weight | 1 Pounds |
| Width | 4.53 Inches |
| Part Number | 601500 |
| Model | 601500 |
| Warranty | 6 months |
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