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marine bird fossilized guano
Through the root trapping process
the Matrix Unit on top of it
and control risk of root infections
Ballast Kit, Sodium/Halide, 400W, MV Conversion spl_hgc marine bird fossilized guanoBallast Kit, Sodium Halide, 400W Multi Volt Convertible Best choice for DIY grow room aficionados! Whether you are wiring your own first ballast setup or performing a complete overhaul of your existing equipment, this kit offers all you need, including the right capacitors and transformers. Rely on Hydrofarm for premium quality North American made ballast components. All parts are UL recognized. Ballasts include welded on brackets for easy replacement
