Name: Paul Anguiano Richland, WA (Zone 7a) GW & DG: tropicalaria
I've used concrete blocks in various ponds. It does tend to raise the pH a bit, but if you've got good water with other dissolved minerals in it, it won't make much difference, and you've got enough water there to see little effect anyway.
Mid-Columbia Gardens Geodesic Greenhouse
Years ago my mother used to say to me, she'd say, "In this world, Elwood, you must be" - she always called me Elwood - "In this world, Elwood, you must be oh so smart or oh so pleasant." Well, for years I was smart. I recommend pleasant. You may quote me.
