About: http://webisa.webdatacommons.org/144470316

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	A recommendation from a friend of mine is a black painted piece of plywood either on the ground or raised up on some sort of frame, if you prefer.Another much easier option is a solar cover.
http://www.w3.org/ns/prov#wasQuotedFrom	havuz.org