Based on my years of experience drainfields with chambers have a much higher rate of failure (with or without a reduction.  The regulations should require an INCREASE in drainfield size when using chambers.

Why is EZFlow (or any other similar product) better than gravel?  It's NOT.  There should be a 1:1 substitution with this product.

It's amazing how we've completely lost all leadership in the health department.  The manufacturers and private sector now run the sewage and water programs.  I feel so sorry for the homeowners that get stuck with these products.

In the past I have kept my mouth shut and not bad-mouthed any proprietary products.  Those days are over.  I'm prepared to accept the consequences of violating the unwritten gag order.