ws26

Aquatrance 1000 & 1200 Impeller Shaft

Replacement Volute Cover for Aquatrance Pumps 1000S Volute Cover D: Classic 1000HOB(AQ-1000s), Classic 90HOB(AQ1000s)

  Rated up to: 200Gallons Holds: 700ml | Dim: 9.8″ x 5.7″ | Body Diameter: Ф5″ | Height: 14.6″ Recirculating  pump: Aquatrance AQ-1000 Recirculatin...

Bubble Blaster 5000 Pump Volute Cover

Main optical sensor for the IceCap ATO and Klir Filter

SINGLE Hanna 35 ppt Salinity Calibration Solution Sachet HI70024P is a premium quality 35.00 ppt salinity calibration solution that is NI...

The Hanna Checker® bridges the gap between simple chemical test kits and professional instrumentation. Chemical test kits are not very accurate...

The HANNA HI 711 Checker® HC bridges the gap between simple chemical test kits and professional instrumentation. Chemical test kits are not ve...

Easier to use and more accurate than chemical test kits Adaptation of EPA Diazotization method Accuracy ±4% of reading ±10 ppb 1 p...

Easier to use and more accurate than chemical test kits Adaptation of Standard Method Ascorbic Acid Accuracy ±5% of reading ±5% ppb 1 ppb resoluti...

Hanna Instrument Iron Photometer

Reagent kit for 25 Iron Tests Range: 0.00 to 5.00 mg/L  

Magnesium is the third most abundant ion in seawater, surpassed only by sodium and chloride. Its abundance is critical in the formation of weak ion...

Reagent refill for the HI-783 (UPDATE VERSION with powder and liquid reagent.) Magnesium is the third most abundant ion in seawater, surpassed only...

The HI774 Checker® HC (Handheld Colorimeter) provides a simple, accurate and cost-effective way to measure phosphate in marine systems including co...

NEW BATCH ARRIVED! ALL REAGENTS SOLD AFTER May 25 2026 ARE FINE.  Voluntary Recall Notice We are issuing a voluntary recall for the Hanna HI 774-25...

REAGENTS: HI 764 Reagent kit for 25 Nitrite tests Range: 0 to 200 ppb

Hanna Instrument Phosphorus Ultra Low Range Reagents - HI736 (25 units)

Hanna Instruments Checker Marine Alkalinity Colorimeter Hanna HI755 Marine Alkalinity Checker Specifications: Range: 0 to 250ppm (mg/L) Resolution...

Refill Kit for Hanna Instruments Checker Marine Alkalinity Colorimeter

Refill Kit for Hanna Instruments Calcium Checker

Hanna Instruments Copper REFILL KIT - HI702-25 - pack of 25