Answer by
MaximillianG (116)
Your water filtration should be getting rid of the milky water in the your pond. Try using a sand pressure filter. It will catch ultra fine particles and may be very effective in solving your problem. Without having more information on your problem I can only take a best guess.
some of the treatments like blankenweed crystalline can make the phosphates and nitrates bind which is another cause outside of your clay idea add a comment