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Granulated rockwool as potting mix: When you use granulated rockwool to pot up your plants
5 in size fits perfectly into rockwool holes
no mechanical noise
single pocket
which automatically detects the input voltage without the use of a DIP switch or selector pins
Refurbished - Sunburst 250W HPS/MH Convertible Hydroponics Granulated rockwool as potting mix:Add the Sunburst grow light reflector to your grow room for quiet operation, value pricing, and sturdy design. The Sunburst is a ballast and reflector in one unit. It will deliver more usable light energy for maximum plant performance and operate at cooler, quieter levels than any other compact system on the market. 25% brighter for faster growth Quieter with ISO mount technology Air cooling options Includes instructions, hangers, and lighting
