What is in the post above came before the Basic H2. The H2 is more highly concentrated. you can only buy the older Basic H in the 5 gallon containers. 
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What is in the post above came before the Basic H2. The H2 is more highly concentrated. you can only buy the older Basic H in the 5 gallon containers.
Engage comment if so many things on here to do to find something that's easy to comment on