I guess this is why I never had any problems tipping cap back in bottle.
Copied from their sites description:-
Wood's Rooting Compound provides a safe, effective and inexpensive way for the commercial grower to take advantage of rooting stimulants for plant propagation.Wood's Rooting Compound
Because it contains isopropyl alcohol, Wood's Rooting Compound is self-sanitizing, eliminating cross-contamination. There are several advantages to using concentrated liquid dips over powders and gels, foremost being the flexibility to allow the propagator to easily select the exact concentration desired for each type of cutting.
