Water Testing

We are pleased to announce our NEW HI98319 waterproof salinity and temperature tester! Waterproof and floats! Includes 4x of the Salinity Calibration Fluid Packets. Automatic Calibration – A 35.00 ppt solution is used for calibration and...

This refractometer does not come with a case or battery. The new Milwaukee MA887 Seawater Digital Refractometer encompasses 3 different types of user selected scales for the measurement of seawater providing for a much more precise evaluation. Each...

PINPOINT® ORP Monitor will measure the ORP (oxidation-reduction potential, or REDOX) of your system. It is popular with those who use ozone gas or potassium permanganate as an artificial oxidation agent in fresh or saltwater. It is also popular for...

Six Salifert Professional Test Kits Includes Calcium, Nitrate, Phosphate, pH, Alkalinity & Magnesium Includes all the Core parameters of any Saltwater Aquarium/Marine Reef Tank Salifert Nitrate Test Kit - 50 Tests, Salifert Calcium Test...

This refractometer does come with a black or blue protective case. The new Milwaukee MA887 Seawater Digital Refractometer encompasses 3 different types of user selected scales for the measurement of seawater providing for a much more precise evaluation...

The MC Monitors are designed to continuously monitor pH, EC or TDS values directly in your reservoir. Each unit features a user select able set-point. An LED visual alarm is activated and flashes when the pH, EC or TDS level rises either Above or Below...

Maintaining consistent salinity in your aquarium is key to the well being of every organism inside it. And, as busy as we sometimes are, we don’t even realize our parameters are out of whack until it’s too late. With this module, your Apex...

  It’s all in the balance   Red Sea’s TRACE COLORS PRO Multi Test Kit includes advanced tests for the high accuracy measurement of Iodine, Potassium and Iron. All of these elements are associated with many biological...

Now Includes a Prepaid USPS First Class Shipping Label + Testing is Now Done in the USA! The results of this test provide you with the most detailed analysis of marine aquarium water you've ever seen, enabling you to understand exactly what's missing,...

Spare tester electrode. Compatible with: HI 98129, and HI 98130 Combo multi-parameter testers, HI 98127 and HI 98128 pHep testers, and HI 98121 ORP tester.  

Standard portable meters with no frills! Milwaukee’s low cost durable meters for quick and reliable measurements.  Milwaukee’s Standard meters are manufactured to be easy to use, practical and accurate. Ideal for the classroom,...

774 CheckerThe HI774 Ultra Low Range Phosphate Checker HC (Handheld Colorimeter) provides a simple, accurate and cost-effective way to measure phosphate in marine systems including reef tanks. Phosphate is an important parameter to measure in aquaculture...

The HI190M is a compact and lightweight magnetic stirrer. With a small footprint, lack of laboratory bench space is no longer a concern. Built to last with a protective covering and a user-adjustable stirring speed, this small stirrer is great for...

Standard portable meters with no frills! Milwaukee’s low cost durable meters for quick and reliable measurements. Milwaukee’s Standard meters are manufactured to be easy to use, practical and accurate. Ideal for the classroom, laboratory...

713 Checker The HI713 Checker® HC (Handheld Colorimeter) provides a simple, accurate and cost effective way to measure phosphate. Phosphate is a common food additive that enhances flavor and acts as a buffering agent. Important for growth and...

Package includes additional 9-volt to AC Adapter Kit, 3x Additional ORP/REDOX Calibration Fluids  PINPOINT® ORP Monitor will measure the ORP (oxidation-reduction potential, or REDOX) of your system. It is popular with those who use ozone gas or...

Package includes additional 9-volt to AC Adapter Kit, 3x Additional 7.0 Calibration Fluids and 3x Additional 10.0 Calibration Fluid. The PINPOINT® pH Monitoris in use by thousands of customers worldwide. This affordable unit remains the only...

The Milwaukee MW101 PRO pH meter has won fans around the world with its reliable, fast and simple operation as well as its toughness and accuracy. The MW101 delivers fast results to ±0.02 pH accuracy with two point calibration...

The DiST® 4 features a large multi-level LCD which displays both conductivity and temperature readings simultaneously. The EC readings are displayed with a 0.01 mS/cm resolution and with an accuracy of ±2% full scale. The EC range of the...

The HI98308 Pure Water tester is a rugged and reliable pocket-sized tester that offers quick and accurate readings. The HI98308 Pure Water tester features graphite electrodes to reduce polarization effects and an exposed temperature probe for fast...

PhosBond™ is a revolutionary new product that combines the phosphate removing capabilities of both aluminum oxide and granular ferric oxide into a singular material forming a synergistic effect. It rapidly removes phosphates and silicates from...

Ideal for all pH testing, water purification applications, wastewater regulation, aquaculture, hydroponics, colloidal silver, labs & scientific testing, pools & spas, ecology testing, boilers & cooling towers, water treatment, wine, coffee,...

Hanna Salinity/Temperature Checker - HI98319 Salinity/Temperature Meter - Each meter is supplied with: CR2032 battery (inside the meter), Storage / Protection sleeve, Instruction manual, Quality certificate, and 35.00 ppt calibration standard sachet (4...

Generic Refractometer - It is designed for testing the concentration of salt water and brine and used for quality control in research and clinical laboratories and marine industry. Its scale provides a direct reading of the specific gravity and...