WaterSavr is a finely ground hydrated lime powder with hydroxy alkanes for treating water to reduce evaporation of water bodies such as dams.
The wastersaver product can conserve 35% of water loss through controlled evaporation.
Available from Cowra in 1ton pallets of 22.7kg bags.
General applications rate is 1kg per 10,000m2 (or 1kg/ha), under full sun conditions this will need to be reapplied every 2-3 days. You can use a household flour shifter to apply the product on the upwind side of the dam/pond.