Kent Neutral Controller

[Timmain42]

http://www.kentmarine.com/nc.html

Anyone use this in their planted tank before? I know we have an unwritten code against using controllers and regulating chemicals in our tanks, but I'm just curious as to what it would do...

[wetmanNY]

Some of the plant gurus use this instead of Fleet enemas as their source of phosphate to fertilize plants...