I would copy your post above and PM or email it to Kelly. IMO he is the best one to answer your water retention questions. IMO since your pond has relatively slow outflow I think a relatively fast acting herbicide would be best. Investigate grass carp with a coarse screen or fish weir on the outflow. Use just enough carp to reduce weeds but not eliminate them. Add carp soon after weed herbicide dissipates. Re-assess number of carp after 3 full years and add about 1/2 as many of the initial stocking after every 7-9 yrs. You want to try and keep 10-20% of your weed coverage for optimum habitat.
Last edited by Bill Cody; 03/17/15 09:15 AM.
