Practical limit on number of percolators?

I understand that a percolator is just an index, but I was wondering
if there is a practical (or recommended) limit on the number of
percolators one can put in action?

There isn't really a concrete limit.

On Wednesday, March 7, 2012 at 10:17 PM, benny.sadeh wrote:

I understand that a percolator is just an index, but I was wondering
if there is a practical (or recommended) limit on the number of
percolators one can put in action?