In North Dakota's Bakken formation, the break-even cost has fallen into the $20s in some counties, the state's Department of Mineral Resources reported last month. Producing a barrel of oil would still be profitable at $24 in Dunn County, down from $29 last October.
You can exclude this risk. Water temperatures and influence on fish behaviour Normal temperatures for keeping discus fish lie at 29-30 Â°C. If your fish are too calm and do not eat greedily but are hesitant about eating, raise the water temperature for c. two weeks to 33 Â°C. This will raise the metabolic rate of the discus fish and encourage their appetite and their sense of hunger.
Most spas control systems have a maximum of 40 degrees Celsius, however 40 degrees is not a recommended temperature to spa in. Some Like it Hot, Hot, Hot! The reason spas have a maximum temperature of 40 degrees is for safety reasons. Any outdoor spa that goes over this temperature is not fit for use. A recommended temperature setting for an outdoor spa pool is around 36-37 degrees Celsius (blood temperature); this is more comfortable and allows for a slight temperature drop whilst in the spa.