Gringo Rasta Super Sonic Plant Tonic will take your plants beyond expectation with results that are Out-A-Sight! Super Sonic Plant Tonic gets its mojo from a stellar micronutrient package combined with a high level of nitrogen for primo growth and far out vigor. Can you dig it? For best results, use all three Gringo Rasta Liquids as a 3-Part Feeding Program. Gringo Rasta Super Sonic Plant Tonic is for a full cycle of micronutrients.