The ideal range for calcium hardness in swimming pools is 150-400 ppm (parts per million), so if you try to keep your calcium hardness in the midpoint between those two limits, then you should be fine.
This species is assessed as Critically Endangered. The Wild Bactrian Camel is facing a population size reduction of at least 80% within the next three generations (estimated at 45 to 50 years).
The two-humped species is the Bactrian camel, while the one-humped species is the dromedary. Bactrian camels are an Asiatic species, named after Bactria in Central Asia, whereas dromedaries are a North African species.