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spots and specks
jellies and pies
304 Stainless Steel Heavy Duty Ball Valve -40 to 230C (1/4" MNPT/FNPT Connections)
With a Power Factor of 99%—a highly stable output frequency—the Quantum Dimmable ballast lets you run your lamps at the strength you need
Includes a cap and batteries
SD Card Datalogger pH Meter nutrient rich spots and specksReads and records pH and temperature. ORP readings are also available with the optional probe. Records data onto standard SD memory cards (like a digital camera). When full, simply exchange SD cards for unlimited data storage. The removable SD card is easy to transport and insert into a computers memory card slot or SD card reader. Uploads pre formatted data to Excel, without the need for additional software and cables. Additional SD cards are readily
US$ 48.89
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US$ 118.89
