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HM Digital 716141 #ad - The com-300 is an advanced waterproof combo meter with superior accuracy. The meter measures four parameters: pH, Electrical Conductivity EC, Total Dissolved Solids TDS and temperature. Features include 2 different conductivity conversion factors to convert EC to TDS using the 05 nacl or 07 442tm, as well as selectable modes for measurements in the S, mS and ppm scales.

The meter incorporates automatic temperature compensation ATC to accommodate for discrepancies in temperature that would naturally occur, and also features digital calibration for easy and precise calibration that will yield better results. Applications include hydroponic systems, water gardens, ponds, etc.

HM Digital Com-300 Ph/Tds/EC/Temp Meter #ad - Sump-type screened inlet. The com-300 is an advanced waterproof combo meter with superior accuracy.

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HM Digital C342 TDS and EC Calibration Solution, 342 ppm NaCl, 90 ml Volume

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HM Digital, Inc. C-342 #ad - The c-342 is nacl solution 342 PPM. Comes in lightweight HDPE plastic bottles. This hm digital tds calibration solution is also known as Water Tester Solution andTDS Meter Calibration Solution. Sealed with a coated foam liner. Tds meter nacl calibration Solution C-342. Use the hm digital tds calibration solution 342 ppm to periodically re-calibrate your HM Digital TDS meter or HM Digital Water Quality Tester.

HM Digital C342 TDS and EC Calibration Solution, 342 ppm NaCl, 90 ml Volume #ad - Nacl calibration solution, available in 342 ppm or 1000 ppm.

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HM Digital 1000ppm TDS Calibration Solution

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HM Digital Meters 716170 #ad - Any brand tds meter can be calibrated to any brand of calibration solution. Laboratory quality NIST-traceable solutions. Use the hm digital tds calibration solution 342 ppm to periodically re-calibrate your HM Digital TDS meter or HM Digital Water Quality Tester. Comes in lightweight HDPE plastic bottles. Bottles have a convenient wide mouth, allowing a user to simply insert the meter into a stable bottle.

This hm digital tds calibration solution is also known as Water Tester Solution andTDS Meter Calibration Solution. For optimal performance, re-calibrate your meters periodically or if testing TDS or conductivity levels in wide or different ranges Nacl calibration solution, available in 342 ppm or 1000 ppm.

HM Digital 1000ppm TDS Calibration Solution #ad - The c-342 is nacl solution 342 PPM. Comes in lightweight HDPE plastic bottles. Sealed with coated foam liner. Nacl calibration solution. Sealed with a coated foam liner. For optimal performance, re-calibrate your meters periodically or if testing TDS or conductivity levels in wide or different ranges.

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General Hydroponics pH Down Liquid Fertilizer, 1-Gallon

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General Hydroponics 722125 #ad - The c-342 is nacl solution 342 PPM. Bottles have a convenient wide mouth, allowing a user to simply insert the meter into a stable bottle. Acid formulation uses food grade Phosphoric acid. Add when your nutrient pH is too high in order to lower the pH to the proper level. Comes in lightweight HDPE plastic bottles.

The acid formulation uses food grade Phosphoric acid to lower the pH to the proper level. Nacl calibration solution. Nacl calibration solution, available in 342 ppm or 1000 ppm. Widely recognized as a consistent and reliable product. Comes in lightweight HDPE plastic bottles. Sealed with a coated foam liner. Any brand tds meter can be calibrated to any brand of calibration solution.

General Hydroponics pH Down Liquid Fertilizer, 1-Gallon #ad - Promotes pH stability. Laboratory quality NIST-traceable solutions. Sealed with coated foam liner. For optimal performance, re-calibrate your meters periodically or if testing TDS or conductivity levels in wide or different ranges. Use the hm digital tds calibration solution 342 ppm to periodically re-calibrate your HM Digital TDS meter or HM Digital Water Quality Tester.

Lightweight in comparison to liquids.

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HM Digital PH-STOR pH Electrode Storage Solution for Use with PH-200 or PH-80, 60cc Volume

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HM Digital HMOPSTOR #ad - Easy to dispense squeeze bottle. Nacl calibration solution. The c-342 is nacl solution 342 PPM. Always make sure your sensor is kept in an electrode storage solution. Sealed with coated foam liner. Always make sure your sensor is kept in an electrode storage solution. For use with hm digital's PH-200 and ORP-200

Comes in lightweight HDPE plastic bottles. Nacl calibration solution, available in 342 ppm or 1000 ppm. Any brand tds meter can be calibrated to any brand of calibration solution. Add when your nutrient pH is too high in order to lower the pH to the proper level. Use the hm digital tds calibration solution 342 ppm to periodically re-calibrate your HM Digital TDS meter or HM Digital Water Quality Tester.

HM Digital PH-STOR pH Electrode Storage Solution for Use with PH-200 or PH-80, 60cc Volume #ad - Acid formulation uses food grade Phosphoric acid. Promotes pH stability. Sealed with a coated foam liner. Use with hm digital's ph-200 and ORP-200 Laboratory quality NIST-traceable solutions. Comes in lightweight HDPE plastic bottles. This hm digital tds calibration solution is also known as Water Tester Solution andTDS Meter Calibration Solution.

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General Hydroponics GLCMBX0003 FloraGro, FloraBloom, FloraMicro Set + 1oz Rapidstart, 1 Quart Combo Pack Fertilizer

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General Hydroponics GLCMBX0003 #ad - Nacl calibration solution. Use with hm digital's ph-200 and ORP-200 Sealed with a coated foam liner. For optimal performance, re-calibrate your meters periodically or if testing TDS or conductivity levels in wide or different ranges. Ph balanced for ease of use; nasa and Antarctic research scientists choose Flora Series -- because of its superior formulation and reliability.

Gh flora series is the original building block Nutrient System imitated but never duplicated; Contains complete Primary, Secondary and Micro Nutrients for enhanced yields and better crop quality. Any brand tds meter can be calibrated to any brand of calibration solution. Use the hm digital tds calibration solution 342 ppm to periodically re-calibrate your HM Digital TDS meter or HM Digital Water Quality Tester.

General Hydroponics GLCMBX0003 FloraGro, FloraBloom, FloraMicro Set + 1oz Rapidstart, 1 Quart Combo Pack Fertilizer #ad - Rapidstart enhances your growing experience by delivering a powerful blend of premium plant extracts, amino acids, and nutrients generating explosive root growth. Using rapid start stimulates prolific root branching. We also include a 1 oz bottle of Rapid start which mixes in to make 15 gallons. Sealed with coated foam liner.

Promotes pH stability. Acid formulation uses food grade Phosphoric acid. Users can adjust mixtures to suit specific plant needs; Enhances flavor, nutrition, aroma and essential oils in both hydroponic and soil cultivated plants.

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General Hydroponics Armor SI for Gardening, 32-Ounce

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General Hydroponics 732802 #ad - Armor si is suitable for all types of plants during all stages of growth. Use as a growth enhancer with irrigation water or in addition to your regular fertilizers. Use with hm digital's ph-200 and ORP-200 Bottles have a convenient wide mouth, allowing a user to simply insert the meter into a stable bottle.

Nacl calibration solution, available in 342 ppm or 1000 ppm. Armor si improves plant structure and foliar development, increases yield and improves flower and fruit production. Your plants will additionally experience improved heat and cold tolerance, stress resistance, improved light absorption which leads to greater plant stature.

General Hydroponics Armor SI for Gardening, 32-Ounce #ad - It can be used for plants growing in hydroponics, Coco Coir and all types of media. Nacl calibration solution. Any brand tds meter can be calibrated to any brand of calibration solution. Sealed with coated foam liner. Easy to dispense squeeze bottle. Rapid start, strong finish; bigger is always better! Laboratory quality NIST-traceable solutions.

Armor si is suitable for all types of plants during all stages of growth.

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Hach 145300 Total Hardness Test Kit, Model 5-B

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HACH COMPANY 145300 #ad - Bottles have a convenient wide mouth, allowing a user to simply insert the meter into a stable bottle. Sealed with coated foam liner. Armor si is suitable for all types of plants during all stages of growth. Gh flora series is the original building block Nutrient System imitated but never duplicated; Contains complete Primary, Secondary and Micro Nutrients for enhanced yields and better crop quality.

Other di- and trizalent metals have a similar effect, but usually are not present in high enough concentration in potable waters to cause problems. This hm digital tds calibration solution is also known as Water Tester Solution andTDS Meter Calibration Solution. Use as a growth enhancer with irrigation water or in addition to your regular fertilizers.

Hach 145300 Total Hardness Test Kit, Model 5-B #ad - Comes in lightweight HDPE plastic bottles. Acid formulation uses food grade Phosphoric acid. Users can adjust mixtures to suit specific plant needs; Enhances flavor, nutrition, aroma and essential oils in both hydroponic and soil cultivated plants. Hardness test kits include the inexpensive Models 5-B and 5-EP.

Always make sure your sensor is kept in an electrode storage solution. More sophisticated test kits allow the determination of total hardness as well as calcium and magnesium by difference. Contains highly purified concentrates for maximum solubility.

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General Hydroponics pH Up Liquid Fertilizer, 1-Quart

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General Hydroponics 722090 #ad - Comes in lightweight HDPE plastic bottles. Use the hm digital tds calibration solution 342 ppm to periodically re-calibrate your HM Digital TDS meter or HM Digital Water Quality Tester. Laboratory quality NIST-traceable solutions. Promotes pH stability. Gh flora series is the original building block Nutrient System imitated but never duplicated; Contains complete Primary, Secondary and Micro Nutrients for enhanced yields and better crop quality.

Easy to dispense squeeze bottle. Always make sure your sensor is kept in an electrode storage solution. Ph balanced for ease of use; nasa and Antarctic research scientists choose Flora Series -- because of its superior formulation and reliability. Hardness test kits include the inexpensive Models 5-B and 5-EP.

General Hydroponics pH Up Liquid Fertilizer, 1-Quart #ad - Base solution is formulated using potassium hydroxide and potassium carbonate. Armor si is suitable for all types of plants during all stages of growth. Add when your nutrient pH is too low in order to raise the pH to the proper level. Any brand tds meter can be calibrated to any brand of calibration solution.

Use with hm digital's ph-200 and ORP-200 Nacl calibration solution, available in 342 ppm or 1000 ppm.

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General Hydroponics CALiMAGic Quart

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General Hydroponics GH1772 #ad - Calimagic helps optimize plant nutrition and enhances plant growth and development while preventing blossom end rot and tip burn in many crops such as tomatoes and lettuce as well as other Calcium intensive plants. Ph balanced for ease of use; nasa and Antarctic research scientists choose Flora Series -- because of its superior formulation and reliability.

Calimagic helps optimize plant nutrition and enhances plant growth and development while preventing blossom end rot. Nacl calibration solution, available in 342 ppm or 1000 ppm. Use the hm digital tds calibration solution 342 ppm to periodically re-calibrate your HM Digital TDS meter or HM Digital Water Quality Tester.

General Hydroponics CALiMAGic Quart #ad - This hm digital tds calibration solution is also known as Water Tester Solution andTDS Meter Calibration Solution. Acid formulation uses food grade Phosphoric acid. Promotes pH stability. Armor si is suitable for all types of plants during all stages of growth. Using rapid start stimulates prolific root branching.

Comes in lightweight HDPE plastic bottles. Add when your nutrient pH is too high in order to lower the pH to the proper level. Easy to dispense squeeze bottle.

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AC Infinity Flexible 6-Inch Aluminum Ducting, Heavy-Duty Four-Layer Protection, 25-Feet Long for Heating Cooling Ventilation and Exhaust

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AC Infinity #ad - Ph balanced for ease of use; nasa and Antarctic research scientists choose Flora Series -- because of its superior formulation and reliability. Nacl calibration solution, available in 342 ppm or 1000 ppm. Always make sure your sensor is kept in an electrode storage solution. The ducting are held together by an internal steel-wire spiral that is flexible and easy-to-install in hard to reach places.

Hardness test kits include the inexpensive Models 5-B and 5-EP. Laboratory quality NIST-traceable solutions. Promotes pH stability. Use with hm digital's ph-200 and ORP-200 Includes two stainless steel duct clamps. Using rapid start stimulates prolific root branching. Product description This ducting was designed for various ventilation, circulation, and heating/cooling transfer applications.

AC Infinity Flexible 6-Inch Aluminum Ducting, Heavy-Duty Four-Layer Protection, 25-Feet Long for Heating Cooling Ventilation and Exhaust #ad - The ducting can be shorted but cutting the tube, to fit various applications. Bottles have a convenient wide mouth, allowing a user to simply insert the meter into a stable bottle. This hm digital tds calibration solution is also known as Water Tester Solution andTDS Meter Calibration Solution. Hardness increases soap consumption.

Calimagic helps optimize plant nutrition and enhances plant growth and development while preventing blossom end rot.

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