Feb 6, 2012 #1 M mohican Aquarium Advice Addict Joined Jan 14, 2012 Messages 1,022 When you put the 4dkH solution in your drop checker and then in your tank, how long will the "solution" last until it has to be replaced?
When you put the 4dkH solution in your drop checker and then in your tank, how long will the "solution" last until it has to be replaced?
Feb 6, 2012 #2 B blert Aquarium Advice Addict Joined Sep 4, 2011 Messages 2,706 Location Florida I clean and replace mine monthly.
Feb 6, 2012 #3 aqua_chem Aquarium Advice Addict Joined Jul 28, 2011 Messages 6,935 Location Baltimore, MD Yup, every 3-4 weeks.