more... > Aquaculture > Crawfish > Water Quality & Management > Reducing Crawfish Pumping Costs [Image: Pump Curve] Farming crawfish requires pumping water. Pumping water costs money. Although there is really no way to get around these facts, we can take action to minimize pumping costs. Measuring Oxygen in Crawfish Ponds This fact sheet provides information on chemical test kits and meters for measuring oxygen, the advantages and disadvantages of each, and a list of vendors where oxygen-measuring kits or meters can be purchased. Should I Lime My Crawfish Ponds? Crawfish research and extension specialists in the LSU AgCenter often receive inquiries from producers regarding the need or benefit of liming ponds or fields used for crawfish production. The following article discusses calcium and water hardness requirements for crawfish, benefits and limitations of liming, and where to get your water and soil tested to determine if lime is required for your crawfish pond(s). Crawfish Production: Water Quality and Management [Image: Water Quality] Poor water quality that persists for days and weeks is detrimental to crawfish production. Water quality is influenced by many factors, both environmental and biological. This work supported in part by EPA Grant #C9-996102-08 through the Louisiana Department of Environmental Quality. (Chapter 7 of the Louisiana Crawfish Production Manual)  more articles... Aquaculture Production Best Management Practices [Image: Cover image] This list of BMPs (Best Management Practices) is a guide for the selection and implementation of those practices that will help producers to conserve soil and protect water and air resources by reducing pollutants from reaching both surface and ground water. Crawfish Pond Aerator [Image: design plan] A device used to blow air into a pond to create movement of the water.