Quick view Hanna Checker Checker®HC (Handheld Colorimeter) provides a simple, accurate and cost effective way to measure alkalinity in degrees of calcium hardness, commonly abbreviated as dKH. Critical to marine environments, alkalinity not only provides the carbonate ion... $29.99 Choose Options Compare
Quick view Hanna Reagent Refill are the replacement reagents for the Checkers These high-quality reagents are manufactured in our state-of-the-art facility and are clearly marked with the lot number and expiration date on each packet for traceability. Pre-made reagents for ease... $8.99 Choose Options Compare
Quick view Hanna Reef Professional Kit Monitor the health of your saltwater reef aquarium with the Reef Professional Kit for Alkalinity (dKH), Calcium, Phosphorus (ULR phosphate), and pH. Water quality is the most important aspect of a healthy reef aquarium. Remove subjective results and... $229.99 Add to Cart Compare
Quick view Hanna Refractometer HI96822 The HI96822 is a rugged, portable digital refractometer designed for the measurement of salinity of natural or artificial seawater. The HI96822 displays results in three popular measurement units: Practical Salinity Units (PSU), salinity in parts per... $179.99 Add to Cart Compare
