Oct 19, 2004 #1 C Crawling68 Aquarium Advice Activist Joined Jun 18, 2004 Messages 128 Location Fremont, CA What are the best tests for measuring Calcium, Alkalinity, And Carbonate Hardness?
Oct 19, 2004 #2 M MT79 Aquarium Advice Addict Joined Aug 2, 2003 Messages 2,679 Location philadelphia. PA. Salifert or Seachem.