Botanicare HYDROGUARD Bacillus Root Inoculant， 1-Quart<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Lowest dilution rates of any competing product</li><li>Use within 6 months of opening</li><li>No excess gassing or foul odors common with other beneficial bacteria products</li><li>Does not produce slimy biofilms or cause pH fluctuations</li><li>Hydro guard produces high levels of beneficial enzymes. This product is good for 2 years AFTER the date on the bottle and it should be used within 6 months of opening.</li></ul></div><img src="http://ecx.images-amazon.com/images/I/418XLCOhbiL.jpg" noproxy>