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HANNA PH REPLACEMENT PROBE 6.6' (HI1286) Special Order FOR Hanna pH-TDS_TEMP Monitor Model Hi 981504-7
Designed for continuous monitoring of pH, TDS and temperature, the HI 981504 is simple to install and can be placed above the sample to be tested. pH, TDS and temperature measurements are simultaneously displayed on three backlit LCDs which can be easily viewed at a distance - even in low light. This means no more switching between... Note: Calibration Buffer Solutions are available separately....more.
HANNA PHEP METER (HI98107) Hanna PHEP Tester (Model HI 98107)
The HI 98107 (pHep®), which is the result of over two decades of research and manufacturing experience, is the updated version of our widely popular 96107 (pHep®). Today the redesigned pHep series feature a rugged and ergonomically enhanced casing that fits comfortably in your hand and a larger LCD which makes it easier to read at any angle. Wi... ...more.
Accurate pH 1. This is the Accurate pH 1. The Accurate pH 1 meter has clearly been manufactured to compete in the market place for entry-level growers. Control Wizard should do well against competitor models, as this meter is stylish, gives solid readings and has a good feel in the hand. It has a two-point calibration process that is easy to do and takes little time. This meter reads in pH points... Note: Calibration Buffer Solutions are available separately. — Ships via UPS from Portland, Oregon USA — FREE shipping when ordering $75 or more of qualifying items....more.
Hydroponic pH Tester - HI99104H An economical, professional pH tester for growers. Replaceable probe, easy to use, no calibration tools required!
Presented in attractive blister packaging; designed for hanging displays.... Note: Calibration Buffer Solutions are available separately. — Ships from Seattle, Washington USA...more.
24-7 PPM Replacement Probe 24-7 Nutrient Monitor24-7 PPM Replacement Probe (716579)A great all around meter for nutrient applications needing constant monitoring. It measures PPM, pH and Temperature. Its large illuminated green LCD display allows easy reading from a distance. Both pH and PPM are temperature compensated for accurate readings. The electrodes are replaceable at a relatively low price. Calibrati... ...more.
MILWAUKEE MARTINI PH55 PH/TEMP PROBE ONLY Probe Only FOR Martini pH55/Temp Tester
IP67 Waterproof pH tester with large dual-level LCD that displays pH and temperature (°C or °F). The large display shows readings in an extended range from 2.0 to 16.0 pH and simultaneously shows temperature from 5.0 to 105.0°C or 23.0 to 221.0°F. This tester has a stability indicator and hold function that freezes the display for easy and... ...more.
24-7 Nutrient Monitor Replacement PPM Probe 24-7 Nutrient Monitor Replacement PPM ProbeThis item is the replacement PPM probe for the 24-7 Nutrient Monitor.The 24–7 Nutrient Meter from Control Wizard Products is a great all around meter for nutrient applications needing constant monitoring. It measures PPM, pH and Temperature and with its large illuminated display it is easy to read from a distance. Calibration screws are co... — Ships via UPS from Portland, Oregon USA...more.
Replacement pH Electrode for 24-7 Nutrient Monitor. If your 24-7 Nutrient Monitor pH electrode breaks or wears out, order this item. This electrode is compatible with the combination Hanna meter listed on this site as HI9813-6 GROCHECK PORTABLE COMBO. ... Note: Calibration Buffer Solutions are available separately. — Ships via UPS from Portland, Oregon USA...more.
pH Checker 1. HANNA pH CHECKER 1 (LIQUIDS ONLY) Digital readout.Not temperature compensating but a very good value. We don't get many of these returned so we keep on selling them. Out-performs their more expensive models. Replaceable electrode.... — Ships via UPS from Portland, Oregon USA...more.
REPLACEMENT ELECTRODE FOR PH PEN Replacement Electrode for pH Pen (MTR-REPH)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 temper... Note: Calibration Buffer Solutions are available separately. — Ships from Perris, California; Cranston, Rhode Island; Portland, Oregon; Aurora, Colorado; Dallas, Texas USA...more.
REEF STATUS MAG. TEST Seachem Reef Status™ Magnesium & Carbonate/borate Alkalinity
75 DETERMINATIONS FOR EACH TEST
Four kits in one! Tests for magnesium through a titration based procedure in increments of 12.5 mg/L. Tests for carbonate alkalinity, borate alkalintiy and total alkalinity in 0.1 meq/L resolution through a titration based procedure. The kit resolves borate from carbonate and, al... — FREE shipping when ordering $75 or more of qualifying items....more.
PH REPLACEMENT PROBE Special Order For HM Digital Waterproof pH Meter Model PH-200
Measures pH and Temperature.
Auto-ranging three point calibration with digital fine tuning.
Includes 4 pH buffer solution in a sponge embedded in a clear cap.
Waterproof housing.
Simultaneous temperature display.
Measurement Range: 0-14 pH.
Digital automatic calibration (one point), with digital fine tuning.
Auto-off f... ...more.
Hanna Checker Phosphate LR Reagents (100pcs) FOR Hanna Checker - Phosphate
Easier to use and more accurate than chemical test kits
Ascorbic acid method
±0.04 ppm ±4% of reading accuracy
Large, easy to read digits
Auto shut off
Dedicated to a single parameter
Designed to work with HANNA’s reagents
Uses 10 mL glass cuvettes
Small size, big convenience
W... ...more.
B.L. pH PROBE CLEAN-CALIBRATION KIT B.L. pH PROBE CLEAN-CALIBRATION KIT (14/CASE). Probe cleaning is one of the most important parts of owning and operating any Bluelab Truncheon™, meter, monitor or controller. If the probe is contaminated (dirty), it affects the accuracy of the reading displayed. The probe surface is where the instrument takes the reading of the solution. The information is sent back from the ... Note: Calibration Buffer Solutions are available separately....more.
MULTITEST MARINE Seachem Multi•Test™ Marine Basic
75 TESTS
This kit combines the Marine pH & Alkalinity, Ammonia and Nitrite & Nitrate kits into one kit.... — FREE shipping when ordering $75 or more of qualifying items....more.
HANNA PRIMO TDS TESTER
Hanna Primo TDS Tester
The Primo TDS tester provides a fast and dependable way to measure the Total Dissolved Solids in your water samples. It is ideally suited for the rigorous demands of water quality professionals, who will appreciate the practicality of Primo's easy-to-read LCD when demonstrating the before and after results of conditioning and filtration systems. Temperat... Note: Calibration Buffer Solutions are available separately....more.
Meters, Timers & Instruments 
