When you spend $99
Research is at the heart of Spray-N-Grow founder Bill Muskopf. In addition to hydroponic greenhouse trials, we have conducted hundreds of field trials since the company was started in 1982.Read More
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Spray-N-Grow products work! We are so confident that Spray-N-Grow products work, we guarantee them to the "bottom of the bottle." If you are not satisfied for any reason, simply return the unused portion or empty bottle for an immediate refund.No Questions Asked.