Vitalizer Beneficial Topdressing & Soil Amendment 2L bagthis is the best for revitalizes your plants  Just add it to your potted plants and water in the goodness of having; beneficial fungi & soil microorganisms, humid acids, & vital nutrients. Often it is hard to report old large plants. As a soil amendment you add this to your dead store bought potting mix.Topdressing;Remove 1-2" layer of soil from potted plant, gently expose the top of roots. Replace removed potting mix with equal parts Vitalizer.Amendment;Mix this in with store bought potting mix with no more than 1/3 Vitalizer to 2/3 potting mix.