Blk. is filtered high ph spring water from Polar, Wisconsin, with added fulvic acid, which makes the liquid appear black in color.
The official website states that:
Like other humic acids, fulvic acids occur naturally in soil (e.g. humus) and have been used in agriculture due to their beneficial effects on plants for a long time. Positive health effects on animals and humans are claimed by some products.
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References
300 AAC Blackout, SAAMI short name 300 BLK, also known as 7.62×35mm is a rifle cartridge developed in the United States by Advanced Armament Corporation (AAC) for use in the M4 carbine. Its purpose is to achieve ballistics similar to the 7.62×39mm Soviet cartridge in an AR-15 platform while using standard AR-15 magazines at their normal capacity.
History
While 5.56×45mm NATO has enjoyed widespread acceptance in military circles, the nature of the missions encountered by some special operations groups often demand a round that not only provides better performance than that available in the high-energy standard velocity rounds, but one that can offer subsonic performance greater than the current standard 9mm Luger round.
In an effort to satisfy this need the 300 AAC Blackout was created by Advanced Armament Corporation in cooperation with Remington Defense, under the direction of AAC's Research and Development Director Robert Silvers and with the support of the company's founder, Kevin Brittingham.
Blk 88 (大牌88) is a Singaporean Chinese language web series produced by MediaCorp in 2012. Webisodes are available on xinmsn's catch-up TV portal, an online portal run by MediaCorp in collaboration with msn.com, and were broadcast on Channel 8 after the initial release. It was commissioned by the Media Development Authority after the success of web mini-series Let's Play Love. Not only is it the first locally produced animated web series, it is also the first animated comedy series produced in Singapore. It stars veteran actors Huang Wenyong and Lin Meijiao and Y.E.S. 93.3FM deejays Lin Peifen and Seah Kar Huat (Xie Jiafa) as well as several guest artistes.
Like Let's Play Love, Blk 88 was also well received by netizens, especially for its humorous satirical references to familiar aspects of Singaporean life and society. It notably satirised the MRT breakdowns which happened in December 2011.