FoxFarm Bush Doctor Sledge Hammer

Sledge Hammer uses saponins derived from Yucca schidigera extract. These natural surfactants act as a wetting agent, breaking the surface tension of water to help flush out accumulated mineral salts and fertilizer residues from the root zone.

It is safe for both. You can use it in hydroponic systems to clear lines and media, or in soil and soilless containers to improve water movement and prevent nutrient lockout.

It is designed specifically for rinse cycles. Most growers use it periodically throughout the growing season to clear out excess salts, or as a final flush before harvest to ensure the plant isn't holding onto residual nutrients.

Yes, Sledge Hammer is compatible with organic gardening practices. Its active ingredients are derived from natural plant sources, making it a suitable choice for growers who prioritize organic inputs.

Common signs include stunted growth, yellowing leaves, or leaf tip burn despite regular fertilization. If you notice these symptoms, it often indicates that mineral salt buildup is preventing the roots from absorbing the nutrients you are providing.