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Meters Bluelab Truncheon Nutrient Meter The Bluelab Truncheon Nutrient Meter measures the nutrient strength of a solution. It is essential when growing hydroponics to KNOW what the strength of the solution is before feeding your plants AND while they are growing. To take a reading of your solution - simply place the probe head into the solution for 1-2 minutes to reach the same temperature of your nutrient. Remove from the solution and place back in to take the reading as indicated by the flashing lights. Rinse the probe after use in fresh water and clean once a week to ensure the Truncheon Nutrient Meter remains accurate. It's great for stirring your nutrient tank too! Main Features   • EC(0.2 - 3.6), CF(2 - 36) and ppm scales(TDS and 700 scale)   • Fully waterproof   • Factory calibrated   • Auto sense on and off   • No external switches or adjustable buttons   • Battery life minimum 1 year (or shelf life of battery) Suitable Applications   • Hydroponics   • Horticulture   • Floriculture 5 year Bluelab Guarantee Bluelab Truncheon Technical Specifications.pdf List - $135.00 -15% Off - Discount price $114.75 Qty:    Blue Lab Combo Meter   • Light weight and portable   • Measures pH, Nutrient and Temperature   • Three display options for nutrient - EC, CF, ppm (500 scale)   • Two display options for temperature (°C or °F)   • Three calibration points, 4, 7 and 10 pH   • Temperature at a push of a button   • Simple push button pH calibration   • Auto turn off function   • Large 13mm (1/2”) digital display for easy reading   • Supplied with quality probes and pH calibration solutions   • Low battery indicator   • Long life 3 AAA batteries   • 5 year Bluelab Guarantee (6 mo for pH probe) Bluelab Combo Meter Technical Specification pdf $299.95   Sale $225.00 Qty:    Replacement pH Probe for Blue Lab Meters $81.95   Sale $60.00 Qty:      Oakton TDS Tester Waterproof, Floats Range: 0 to 1990 ppm Resolution: 10 ppm Accuracy: 1% Full-Scale accuracy - the best available Auto Shut-off conserves batteries $85.95   Sale $73.10 Qty:    Oakton Double Junction pHTESTR 10 • Body gaurentted for 1 yr, Probe for 6 mo • Automatic Temperature Compensation (ATC) • Push-button three-point calibration • Microprocessor-based • Auto buffer recognition • Hold function; auto-off; error messages • Certifiable to IP67 standards • pH range -1.0 to 15.0 pH $131.49   Sale $111.35 Qty:      Oakton Waterproof Dbl. Junction pHTestr 30 • High ±0.01 pH accuracy • Simultaneous pH and temperature (°C) display • pH range - 1.0 to 15.0 pH • Three point push-button calibration • Double junction electrode ideal for dirty water, heavy sulfides & organics • Increased reference gel volume offers significantly longer electrode life • Certifiable to IP67 standards—waterproof and dustproof housing floats • Replaceable sensor lets you reuse same meter body, saving you money • Automatic temperature compensation $155.95   Sale $132.50 Qty:    Replacement Sensor - Oakton pH 10/20/30 $93.95   Sale $79.80 Qty:      Electrode Storage Solution Use to store your pH meter electrode between use. This solution is designed to keep your electrode sensing membrane and reference junction clean and unclogged and ready for use. Store you electrode directly in a small cup of solution or saturate a sponge in the cap of your meter for storage between use. This will prevent your permeable glass membrane from becoming dry and from mineral deposits clogging the surface. This solution is designed to equalize the osmotic pressure of the reference solution in your meter junction to keep the reference solution from seeping out and prematurely aging your meter. Should your electrode membrane dry out soak it in this solution for at least two hours before use. NEVER STORE AN ELECTRODE IN DISTILLED OR DEIONIZED WATER. 8 oz. - Electrode Storage Solution $10.00   Sale $9.00 Qty:      pH 7.0 Calibration Solution By General Hydroponics 8 oz size $6.98 Qty:     EcoPlus® Large Display Thermometer/Hygrometer Features...   • Stores the Min./Max. values of the indoor/outdoor temperature and indoor humidity.   • Measures indoor/outdoor temperature & indoor humidity   • Switch between C and F.   • Clock function with alarm   • 12/24 hour mode switch   • Water proof temperature probe   • Uses 1 AAA battery (not included) List - $25.95   Sale $21.25 Qty:    EcoPlus™ Aquarium & Reservoir Thermometer   • Glass tube precisely made of German material   • Suction cup to stick to the inside of an aquarium or reservoir   • Thermometer floats in water $2.49 Qty: Rapitest Mini pH Tester [model 1815] • Tests the acidity of soil • Check which plants suit your soil • Enables you to alter soil conditions • Use for fruits, flowers, shrubs and vegetables • No batteries required $8.95 Qty: Botanical.com Home page Growing Supplies Index