Pay in 4 interest-free payments of $5.74 Learn more
Ships within 48 hours · Estimated delivery Sep 16 - Sep 21
rinse the substrate thoroughly
The HI736-25 are the replacement reagents for the HI736 Phosphorus Ultra Low-Range Checker HC
The included set screw system allows you to twist the arm within the base letting you fully secure your Prime LED to the screw attachment point
2x Mounting Nuts
The glass bulb loses sensitivity with use and will eventually fail
AccuraSea Seawater Reference Solution - Two Little Fishies airline rinse the substrate thoroughlyDo you think its important to maintain salinity precisely? Were with you. Thats why we created AccuraSea Seawater Reference Solution, the only calibration solution of its kind made from real seawater. Its pure natural sea water micron filtered and UV sterilized then adjusted with reverse osmosis water to the standard S = 35 or conductivity of 53 mS cm at 25C (77F). Use it to accurately calibrate seawater refractometers and check the accuracy of swing