Seawinner SYNERGY contains a high concentration of the beneficial microbe-Bacillus subtilis.Rapidly activates once applied to the root zone. Seawinner's unique bacillus strains selected are robust and designed to handle most soil and climate conditions.The bacillus come in a spore form.They are able to survive between pH 1.5-10 and temperature 0-40C,able to tolerate extreme conditions and only become active when conditions are favourable.