I'm sure no expert but 5 feet of muck in 10 years seems extreme to me. I'd guess the reading is off as said above. If normal ponds filled with much that muck that quick, the 8 foot deep ponds dug around here would only be 2 feet deep in 3 years but many are decades old.
Last edited by poppy65; 04/14/19 11:03 AM.
