NPK Industries Raw B-Vitamin Fertilizers， 2-Ounce<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Contains 1% vitamin b1</li><li>Highest concentration of fully water soluble vitamin b1 available to the home gardener</li><li>Can be used at all stages of growth and flowering</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41JcnW5CSwL.jpg" noproxy>