Ships within 48 hours · Estimated delivery Sep 10 - Sep 15
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Great for small gardens
measuring cup for soil testing
50-stick box comes with 50 single use stick packs
Soluble Seaweed Extract can be stored indefinitely
edge Compatible Digital DO/Temperature Electrode Terp Derp choose from: 4The HI 764080 is a digital dissolved oxygen electrode with built in temperature sensor. This ultra thin, Clark type polarographic electrode is designed for measuring DO in aqueous solutions and contains a built in microchip that stores sensor type, serial number, and calibration information. The sensor features a platinum cathode with a silver silver chloride anode, an integrated temperature sensor, and easily replaceable PTFE membrane caps. This
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