Take time to examine the data on Fluazinine 40SC which is a low-use rate (.5 oz per 1000) contact fungicide. Compares to Secure.
Precise Pond, a nutrient and sludge metabolizer
Sand Trapper bunker liners and Barenbrug coated seed will make your job easier.
Use Solu-Cal S, fortified, enhanced, dust-free gypsum