Is KH the same as Alkalinity? I am looking here:
http://www.marinedepot.com/ps_ViewItem~idProduct~SF1123.html
I bought this test kit a few days ago and it has alkalinity, as one of the tests.
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&ssPageName=ADME:B:EOIBSAA:US:31&Item=7762903275
I am...