Adjust pH to 7.2 to 7.6. Wait 2 hours before adding algaecide. Mix the algaecide in a bucket of water and pour around the pool. Do not swim for 24 hours. Mix in a bucket of pool water and broadcast over the pool. Do not swim for 2 hours.
Mt. Asahidake (2,290 m), is the highest peak in Hokkaido. There is ropeway access from Asahidake Hot Springs to Sugatami Station at 1,600 m. From the station, a path leads to Sugatami Pond. The pond is surrounded by a primeval forest of Sakhalin spruce and Erman's birch.
1 Himalayas- Asia Nepal, India, China, Pakistan, Bhutan; highest point - Everest; 8848 meters above sea level.  Karakoram (part of Greater Himalayas) - Asia: Pakistan, China, India; highest point - K2, 8611 meters above sea level.