Some Effects of Lime Applications To Warm-Water Hatchery Ponds

The results of applying ground limestone (CaCO2) and quicklime (CaO) to hatchery ponds used for the culture of bluegills (Lepomis macrochirus, Raf.) are described. Effects appeared to be beneficial in the sample of ponds treated. Quicklime was difficult to apply because of caustic effects to skin of personnel handling it. Laboratory experiments indicated that hydrated lime (Ca[OH].) could be used to produce a pH as alkaline as that obtained from quicklime provided that an equivalent amount of calcium was used in the hydrated form.

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68133