CrystalClear Spring &amp; Fall Prep 24 pkt<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Replenishes Winter Bacteria Loss During Spring Start-Up and the Fall</li><li>Easy To Use Pre-Measured Water Soluble Packets</li><li>Accelerates Decomposition of Leaves， Twigs &amp; Sediment All Winter Long</li><li>Cold Water Formula</li><li>Safe For All Aquatic Life</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41Msyug1CWL.jpg" noproxy>