Flourish Iron， 100 mL / 3.4 fl. oz.</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>Iron supplement for the planted aquarium</li><li>Highly concentrated ferrous iron gluconate supplement</li><li>Should be used in cases where iron requirements exceed that which can be delivered by Flourish at the recommended dose or signs of iron deficiency</li><li>Because Flourish Iron is in the ferrous state， plants more easily derive a benefit than from EDTA iron by not suspending energy</li><li>250 milliliters treats 50 US gallons for 4 to 6 months</li></ul></div></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br><img src='http://ecx.images-amazon.com/images/I/41FwCY3PHXL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/31mqPS0FHzL.jpg' noproxy></br>