> From: Roger Crowther <lysander at crl_com> > > What kits are recommended? > Joanne (I think) mentioned the LaMotte kit. Is there any consensus about > this? LaMotte is quite accurate. I found the Tetra kit to be out by an order of magnitude. It only provides an indication of greater/lesser than two test points. Don't waste your money on the Tetra CO2 kit. Steve