Hydro Organics HOJ13173 OilyCann Fertilizer， 1 gallon<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>A natural calcium， magnesium &amp; humic acid liquid plant supplement formulated with ZERO nitrogen</li><li>Horticulturally engineered for indoor/outdoor plants， hydroponics and soil gardening</li><li>Recommended for plants with calcium and magnesium deficiencies</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41OHaIP4DpL.jpg" noproxy>