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Water thoroughly
Lawn:Apply up to 2
Humic Acid
Corrosion resistant
Bluelab pH Probe KCI Storage Solution 250ml hydroponics Water thoroughlyBluelab pH Probe KCI Storage Solution The perfect solution to store and hydrate your Bluelab pH probes or pens. Bluelab pH Probe KCl Storage Solution is made specifically for use with Bluelab pH Probes and Pens. It is designed to increase response time and maximize the life of Bluelab pH Probes and Pens. Add KCl solution to the cap of the pH pen probe for storage, after use and hydrate in KCl solution monthly. Instructions are on the label of the
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