Pro Products RO65N Rust Out Water Softener Cleaner And Iron Remover， 4.75 lb.<div style="text-align: left;"><strong>[Product Information]</strong><ul><li id="replacementPartsFitmentBullet" class="aok-hidden" data-doesntfitmessage="We're not sure this item fits your " data-fitsmessage="This fits your "><span class="a-list-item"><span id="replacementPartsFitmentBulletInner"><a href="#" class="a-link-normal hsx-rpp-fitment-focus">Enter your model number</a>to make sure this fits.</span></span></li><li><span class="a-list-item"> Pro Products highly recommends the use of a Pro Easy Feeder to keep the softener running at peak efficiency </span></li><li><span class="a-list-item"> He unit feeds automatically and easily installs inside or outside of the brine tank </span></li><li><span class="a-list-item"> Pour 4 ounces (1/2 cup) of Pro Res Care resin cleaner per cubic feet directly into brine well </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41AQ0IsLp2L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/417ieGxDCuL.jpg" noproxy>