FoxFarm Plain Jane Big Boy Pants Coconut Coir, 3.0 cu ftBig Boy Pants Plain Jane Coconut Fiber is the basic foundation for your growing program. Its a Plain Jane mix that contains a proprietary blend of low salt fiber and pith for superior aeration and optimal water retention. Pure and simple! If youve been looking for a soilless media that you can use with a customized feeding program, look no further. Big Boy Pants Plain Jane Coconut Fiber is the ideal substrate for your hydroponic growing system.