percent = parts per hundred
ppm = parts per million
percent = parts per hundred
ppm = parts per million
Yes, and I would guess that you could just multiply it times 10,000 to get it to parts per million.
Thanks duraleigh & sevver - that's what I thought.
18x42 Spartan Roman End Vinyl Inground (1981)
1HP Hayward Superpump -- Hayward Perflex EC-65 DE Filter
Bookmarks