Depending on who your advisor was their estimate could have been ????... If it were me I would get a second or better 3rd opinion because you do not have a current soil test. . Maybe call a local pond mgmt group or call the area Soil & Water conservation district office or your best choice for good information is the area University Extension office for a 2nd or 3rd professional opinion of what the average local soils of your area need for lime application for growing good crops. Another opinion could come from a local farm Argriculural Supply dealer / elevator. Three opinions would give you a better estimate compared to just one opinion. Be aware that the need for additional lime to boost the lake alkalinity to produce good plankton blooms will need to occur EVERY several years. Lime naturally disipates (leaches) and is not a one time addition. When talking to the Univ Extension specialist or Agri Supply dealer ask about the needed frequency that farmers have to add lime to the LOCAL farm fields. This will give you a good idea of the needed frequency of adding lime to the lake. If it were my lake, I would be getting alkalinity water testing done every 2 or 3 years. You want water alkalinity to ALWAYS be 50 ppm(mg/L) or greater for good pond overall productivity.
CCE = A 70% CCE for lime fertilizer means the material is less effective than pure calcium carbonate (CaCO3) and will require a larger application amount to achieve the same neutralizing effect. For example, to get 1,000 pounds of CCE, you would need to apply about 1,429 pounds of a 70% CCE product. This 70% value represents the neutralizing value of the lime, which is also influenced by its particle size (fineness).
Last edited by Bill Cody; 11/14/25 07:44 PM. Reason: Added definition of CCE.