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HANNA PH INDICATOR W/ ELECTRODE (HI981401N) Hanna Grochek® Water Resistant pH Indicator
HI 981401N has been designed to meet the Grower's need for equipment suited to the aggressive environments found in agricultural and hydroponics applications. The housing is water-resistant and features a molded eye which allows installation right above the sample to be monitored.
Measurements are highly accurate and can be verified... Note: Calibration Buffer Solutions are available separately....more.
HANNA REPLACEMENT PROBE (HI73311) Special Order
FOR Hanna DiST 5 Waterproof(Low Range) EC/TDS/Temperature Tester (Model HI 98311)
The original DiST (Dissolved Solids Tester) was first introduced in 1986 by HANNA®. Since then, Conductivity and Total Dissolved Solids measurements have never been easier. DiST's ease-of-use, in combination with its affordability, made it the standard in EC and TDS measurement. HANNA® continue... ...more.
HortiCare Nutrient Check PPM HortiCare Nutrient Check PPM (716021)HortiCare Nutrient Check PPM
The function of a nutrient solution or fertilizer mixture is to supply the plant roots with water, oxygen and essential mineral elements in soluble form. Each plant has its preferred nutrient concentration to facilitate the absorption process to the roots. Wrong concentration may result in wilting and suppresses p... ...more.
HortiCare pH Tester HortiCare pH Tester (716020)HortiCare pH Tester
The function of a nutrient solution or fertilizer mixture is to supply the plant roots with water, oxygen and essential mineral elements in soluble form. The pH of nutrient solution decides the availability and absorption of nutrients by each species of plant. Every plant species has a preferred pH range in which it will grow best.... Note: Calibration Buffer Solutions are available separately....more.
MI MA73076 REPLACEMENT PROBE FOR C65/T76 (1/CASE)
Milwaukee Waterproof EC Tester [model C65]
(MA73076)REPLAPROBE/C65/T76(DS
Model C65 Waterproof conductivity tester with automatic temperature compensation and 1 point manual calibration range: 0 to 1999 S/cm, replaceable MA73075 probe.
Manufacturer's Product Information
2007 MSRP Each $52.95
Case W... This item is sold individually. — FREE shipping when ordering $75 or more of qualifying items....more.
Milwaukee pH Meter BEM101 Milwaukee Instruments pH Meter - BEM101
Standard pH mini-bench meter for quick and reliable measurements.
Double junction electrode with 1 meter cable
Manual calibration 2 points
Faster Processor with The New Chipset and Motherboard
100% Larger & Easier To Read LED Display
Smaller, Ergonomic & Lighter Case Design
Includes: 9vDC power suppl... Note: Calibration Buffer Solutions are available separately....more.
Milwaukee pH Portable Meter Milwaukee pH Portable Meter (MTR-009)MILWAUKEE PORTABLE METERS The Milwaukee series of EC, TDS (PPM) and pH Portable Meters are designed to allow you to monitor your nutrient solutions. They are all 9v battery operated for portability. The batteries last approximately 300 hours of use. They feature replaceable probes with a 3 foot cable. The EC and TDS monitors have automatic temp... Note: Calibration Buffer Solutions are available separately. — Ships from Perris, California; Cranston, Rhode Island; Portland, Oregon; Aurora, Colorado; Dallas, Texas USA — FREE shipping when ordering $75 or more of qualifying items....more.
MILWAUKEE TDS WATERPROOF PEN Milwaukee TDS Waterproof Pen (MTR-003)MILWAUKEE WATERPROOF PENS The Milwaukee Waterproof Pen series of EC, TDS (PPM) and pH pens allow you to monitor your nutrient solution for best plant growth. They all feature replaceable electrodes for long life. The batteries will last 1500 hours of use. The pH pen will measure from 0 to 14.0 pH. The EC and TDS pens have automatic temperature... Note: Calibration Buffer Solutions are available separately. — Ships from Perris, California; Cranston, Rhode Island; Portland, Oregon; Aurora, Colorado; Dallas, Texas USA — FREE shipping when ordering $75 or more of qualifying items....more.
MULTITEST AMMONIA Seachem Multi•Test™ Ammonia
75 TESTS
This kit measures total (NH3 and NH4+) and free ammonia (NH3 only) down to 0.05 mg/L and is virtually interference free in marine and fresh water. Free ammonia is the toxic form of ammonia (vs. ionized Ammonia NH4+ which is non-toxic) and thus it is much more important to keep an eye on the level of free ammonia in your system.... — FREE shipping when ordering $75 or more of qualifying items....more.
MULTITEST PHOSPHATE Seachem Multi•Test™ Phosphate
75 TESTS
This kit measures inorganic phosphate down to 0.05 mg/L, producing a unique easy to read yellow-green-blue color range in marine and freshwater.... — FREE shipping when ordering $75 or more of qualifying items....more.
PH ALERT Seachem pH Alert™
6 MONTH MONITOR
pH Alert™ is a unique color device designed to be placed in the aquarium or filter and monitor pH continuously. A sensor changes color reversibly to alert you shifts to in pH levels between 5.8 and 8.6. Freshwater Only.... — FREE shipping when ordering $75 or more of qualifying items....more.
pH Test Kit 1 oz. pH Test Kit 1 oz. (eco-5517)pH Test Kit, 1 oz
pH test kit.
Contains pH test fluid and test strips
SKU: GH1515
Weight: 1.0 lbs.
Package Dimensions: 5.5L x 2.6W x 1.0H
Suggested Retail: $7.54
Manufacturer's Product Information
MSRP $7.54
... — Ships from Seattle, Washington USA...more.
Rapitest Soil Tester (12/Cs) Rapitest Soil Tester
It’s vital to know the existing pH, Nitrogen, Phosphorus and Potash levels in garden soil. The soil’s pH controls the availability of these three nutrients essential to plant health. Test results allow the gardener to amend and fertilize appropriately, ensuring the best possible growing results.
4 color-coded tests:
1 each for pH, nitrogen, phosphorous and... This item is sold individually....more.
Meters, Timers & Instruments 
