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On Sale 20%
On Sale 20%HI70031P 1413 20 ml (25 Pack) - Hanna Instruments
Hanna Instruments$39.99$31.99Technical SpecificationsMfr #: HI70031PItem: Calibration Solution Container: 20mLType: Electric ConductivityRange: 1413 uS/cm Container: 20mLProduct... -
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(HI98304) DiST4 Waterproof Electrolytic Conductivity (EC) Tester - Hanna Instruments
Hanna Instruments$79.99$63.99The 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... -
On Sale 20%
On Sale 20%(HI783-11) Marine Magnesium Certified Calibration Standard Kit
Hanna Instruments$28.99$23.19The HI783-11 Marine Magnesium Certified Standard Kit is used to validate the performance of the HI783 Marine Magnesium Checker HC. The kit includes one sealed cuvette with a zero-magnesium value and... -
On Sale 20%
On Sale 20%ORP/pH/Temperature Tester (HI98121) - Hanna Instruments
Hanna Instruments$239.99$191.99The HI98121 is a waterproof pH, ORP and temperature meter. The housing of this tester has been completely sealed against humidity and is designed to float. Electrode replacement with the stainless... -
On Sale 20%
On Sale 20%HI775 Marine Alkalinity Checker HC (Freshwater) - Hanna Instruments
Hanna Instruments$67.99$54.39The Hanna Freshwater Alkalinity Checker bridges the gap between simple chemical test kits and professional instrumentation. Chemical test kits have limited accuracy and resolution since they rely... -
On Sale 20%
On Sale 20%pH 4 Buffer (500 ML) Bottle HI7004L - Hanna Instruments
Hanna Instruments$19.99$15.99This buffer value is widely used in water purification plants, in the food industry, and wherever the pH is expected to be slightly acidic. Traceable to NIST standards Available in bottles or... -
On Sale 20%
On Sale 20%Pure Water Tester (HI98308) - Hanna Instruments
Hanna Instruments$89.99$71.99The 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... -
On Sale 20%
On Sale 20%Copper High Range Checker® HC Calibration Check Set HI702-11 - Hanna Instruments
Hanna Instruments$32.99$26.39The Copper High Range Checker® HC Calibration Check Set - HI702-11 provides a simple solution to validating the Copper High Range Checker® HC - HI702. This high-quality set of... -
On Sale 20%
On Sale 20%HI775-26 Alkalinity Reagent (Freshwater) - Hanna Instruments
Hanna Instruments$29.99$23.99Reagents for Alkalinity Checker Specifications Package bottlesSize 30 mLQuantity 1 -
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HI12302 HALO Wireless pH/Temp Meter - Hanna Instruments
Hanna Instruments$229.99$183.99Our HALO® Wireless Field pH Meter has a durable PEI body and spherical sensing bulb. All readings are transmitted directly to your Apple or Android device or the edge®blu. Take... -
On Sale 20%
On Sale 20%HI70031P 1413 20 ml (10 Pack) - Hanna Instruments
Hanna Instruments$15.99$12.79Technical SpecificationsMfr #: HI70031PItem: Calibration Solution Container: 20mLType: Electric ConductivityRange: 1413 uS/cm Container: 20mLProduct... -
On Sale 20%
On Sale 20%Hanna Algae & Nutrient Management Kit w/Reagents - 774 ULR Phosphate, 782 HR Nitrate - Hanna Instruments
Hanna Instruments$169.99$135.99Keep your marine or reef aquarium pristine with this complete testing and reagent kit from Hanna Instruments. Designed for accuracy and ease, it combines ultra‑low‑range phosphate and high‑range... -
On Sale 20%
On Sale 20%HI9810422 HALO2 Wireless pH Tester - Hanna Instruments
Hanna Instruments$164.99$131.99Our HALO2 Wireless Field pH Tester has a durable PEI body and spherical sensing bulb, perfect for use in the field. Open-source Bluetooth allows easy integration into current data... -
On Sale 20%
On Sale 20%Marine Coral Care Kit w/Reagents (772 Alk, 758 Cal, 783 Mag) - Hanna Instruments
Hanna Instruments$194.99$155.99772 CheckerThe HI772 Checker®HC (Handheld Colorimeter) provides a simple, accurate and cost effective way to measure alkalinity in degrees of calcium hardness, commonly abbreviated as dKH... -
On Sale 20%
On Sale 20%Professional Reef Digital Checker Kit - Hanna
Hanna Instruments$329.99$263.99Take the Guesswork Out of Your Reef Tank Maintenance with the Hanna Instruments Reef Professional Kit Achieve the stable and pristine water parameters your corals need to thrive with the Hanna... -
On Sale 20%
On Sale 20%HI707-25 Nitrite Low Range Checker Reagents (25 Tests) - Hanna Instruments
Hanna Instruments$17.99$14.39The HI707-25 are the replacement reagents for the HI707 Nitrite Low Range Checker® HC. These high-quality reagents are manufactured in our state-of-the-art facility and are clearly marked... -
On Sale 20%On Sale 20%
HI73128 Electrode Removal Tool - Hanna Instruments
Hanna Instruments$29.99$23.99The HI73128 replacement tool is utilized for electrode removal on select Hanna testers. With a simple twist of the removal tool, the tester electrode can safely and easily be removed and replaced... -
On Sale 20%
On Sale 20%pH/Temperature Tester with 0.01 pH Resolution - pHep®5 (HI98128) - Hanna Instruments
Hanna Instruments$154.99$123.99Elevate your water testing with the Hanna Instruments HI98128 pHep®5, a high-precision, pocket-sized tester designed for professionals who demand laboratory-grade accuracy in the field. Combining... -
On Sale 20%
On Sale 20%Low Range pH/Conductivity/TDS Tester (HI98129) - Hanna Instruments
Hanna Instruments$224.99$179.99Take the guesswork out of water testing with the Hanna Instruments HI98129, the industry-standard "Combo" tester. Engineered for professionals in hydroponics, aquaculture, water treatment, and... -
On Sale 20%
On Sale 20%Ultra Pure Water (UPW) Tester (HI98309) - Hanna Instruments
Hanna Instruments$109.99$87.99The Hanna Instruments HI98309 is a specialized, high-precision pocket tester designed specifically for monitoring the purity of deionized, distilled, and ultra-pure water. As the first pure water...