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PINPOINT" High-Precision pH Calibration Fluids
4.000 +/- 0.002
7.000 +/- 0.002
10.000 +/- 0.005
These come in single-use plastic envelope packets, and they are extremely accurate and field portable. Each packet contains enough fluid for a complete calibration (about 30 ml) and is intended to be discarded after use.
The HI772-26 are the replacement reagents Marine Alkalinity (dKH) Checker® HC - HI772. These high-quality reagents are manufactured in our...
Alkalinity testing and addition Calcium alone cannot form the skeletal material of corals and allow calcareous algae to grow. Some...
Calcium testing and addition Calcium is a major constituent of calcareous algae, skeletal material of hard corals and the skeletal...
The HI774-25 are the replacement reagents for the HI774 Phosphate Ultra Low Range Checker® HC. These high-quality reagents are manufactured...
Magnesium is present in NSW in a fairly high concentration (1300 - 1400 mg/L). Magnesium is an essential part of...
Nitrate testing When an aquarium has insufficient regions deprived of oxygen (= anaerobic zones) or denitrification proceeds incompletely then nitrate...
The HI736-25 are high-quality reagents that are pre-measured, allowing for users to achieve fast and accurate measurements with their Phosphorus...
PINPOINT pH Replacement Probe, Lab Grade, Double Junction: 10 foot cord, Ag-Ag/Cl reference, extended life, high supression cable jacket. Can...
This 5" x 8" x 1" zippered neoprene pouch is great for safely storing Apogee meters, microCache devices, and sensors....
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