BioGuard is specially formulated for hot, humid marine applications that breed bacteria and other bio-contamination. BioGuard is test proven to be up to 90% more effective than other typical biocides in as little as 2-3 hours versus 24 to 36 hours recommended by other biocides. BioGuard is designed to:
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Reviewed by 2 customers
Displaying reviews 1-2
BioGuard works for me.
I tried this because it is a little less expensive. I found it did not work well, and when I experimented by taking a fuel sample and pouring in the biocide, it sank to the bottom. Even after shaking, it still settled to the bottom eventually.