Equilibrium， 4 kg / 8.8 lbs</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>Restores And Maintains Mineral Balance And General Hardness (G)</li><li>Specifically Designed To Establish The Ideal Mineral Content For The Planted Aquarium</li><li>Contains no sodium or chloride which can be detrimental to a planted aquarium at elevated levels</li><li>Ideally Suited For Use With Reverse Osmosis (Ro) Water Or Any Mineral Deficient Water</li><li>300G Treats 380 Us Gallons</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/41amX9i2cKL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/31lsteh5-PL.jpg' noproxy></br>