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Ships within 48 hours · Estimated delivery Aug 29 - Sep 3
Requires four hours direct or filtered sun per day
Photon Flux Values: 2125
OK-35624-09 for pHTestr 1
5°C /±1°F Calibration automatic
Grodan Improved pre-cut Gro-Slabs are extremely versatile and lend themselves perfectly to cultivation
Aqua Master Calibration Solution pH 4.01 100ml (Case of 18) Tents & Tarps Requires four hours direct orDescription Aqua Master Calibration Solution pH 4. 01 100ml (Case of 18): This is a 100 ml pH 4. 01 calibration solution. Each solution is traceable to the NIST standard. It is advised to close immediately after use. For optimal performance, store this solution between 59 77F. Note that there should be no return of liquid. Packaging: The Aqua Master Calibration Solution is sold as a case of 18 bottles. This ensures that you get a good supply of the
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