HTH 67027 pH Increaser， 5 lb<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Hth pH increaser， 5 lbs.</li><li>The ideal pH range is 7</li><li>Raises pH levels. Prevents corrosion of metal &amp; plaster surfaces Prevents eye &amp; skin irritation. Compatible with salt systems</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41hNSVF%2BEDL.jpg" noproxy>