need to repot water lillies and a couple unidentified plants growing in shallows . they are currently in mud and i'm thinking i'd like to just rinse them off and replant them in pea gravel . i'm OLD and uncomfortable doing this any thoughts or suggestions are more than welcome, they would be greatly appreciated . . . thanks . . .peace....ps. water lilies have filled pots to the point it was difficult last year trying to find a spot to insert a fertilizer '' pellet'' .