Has anyone tried the potassium test kit by Aquarium Landscapes - which is a division of Fish-vet Inc.?? Does it work? is it accurate? How much potassium is too much? Paul Byham EDAS Plant Study Group Member Melbourne, Australia. _______________________________________________ AGA-Member mailing list AGA-Member@thekrib.com http://lists.thekrib.com/mailman/listinfo/aga-member