Grapefruit Seed Extract "Citricidal" is extracted from
the seed and pulp of grapefruits and suspended
in vegetable glycerin. Citricidal is liquid form is
60% grapefruit extract and 40% glycerin. This
is the strongest liquid formula available.

GFSE is an excellent anti-oxidant, antifungal, and
secondary preservative.

Suggested Usage Rate: from 1 - 5%
Solubility: Water