Furan-2 says to do a 25% water change after the 4th dose followed by carbon (presumably to remove it).
What do you do if you did a combo of Furan-2, metroplex, kanaplex and copper power? Can I do the 25% water change and leave what's left of the Furan-2 in there the remainder of the 14 days?
What do you do if you did a combo of Furan-2, metroplex, kanaplex and copper power? Can I do the 25% water change and leave what's left of the Furan-2 in there the remainder of the 14 days?


