Birm 1 cu. ft.
Granular / Gray / Must not be used on waters with a pH < 6.8 / Must have dissolved oxygen present at a level of at least 15% of iron & manganese ppm / Max iron &
manganese level 10 ppm / Estimated life about 8-10 years\
Iron (clear & red)
Manganese (clear & red)
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FOR CALIFORNIA RESIDENTS
CALIFORNIA PROPOSITION 65 WARNING: This product contains chemicals known to the State of California to cause cancer, and birth defects or other reproductive harm.
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