9 PLANTS PER 4'X4' - 3 GALLON POTPRO W/MICRODRIP IRRIGATION & POTPRO PLATFORMS (4'x16') spl_bfg The SG ballast offers a

The SG ballast offers a compact design

leading to stronger root growth

and food crops

They also feature a square drainage pattern

It allows the flexibility of adding only the number or rings you need as your plants grow

9 PLANTS PER 4'X4' - 3 GALLON POTPRO W/MICRODRIP IRRIGATION & POTPRO PLATFORMS (4'x16') spl_bfg The SG ballast offers aIncluded in your Bundle: 36 x PotPro 3 Gallon 36 x Micro Drip 2 Way Parallel Split Micro Tube Dripper Assembly 30" x (Single Unit) 2 x Micro Drip 16 17 mm Double Layer Tube 25' 4 x Micro Drip 16 17 mm Pipe Fitting Elbow (Single Unit) 2 x Micro Drip 16 17 mm Pipe Fitting T (Single Unit) 1 x Micro Drip 16 17 mm Pipe Fitting 3 4" Male Adaptor (Single Unit) 1 x Micro Drip 16 17 mm Pipe Fitting 3 4" Male Adaptor w Cap Combo (Single Unit) 1 x Micro Drip