Pro-Z Zeolite Crystals

Pro-Z Laboratory-Quality Ammonia-Removing Zeolite crystals are fast acting, long lasting, and proven to remove ammonia, the #1 fish killer.

Features:

• 85 ounce bottle
• Zeolite crystals are designed to keep your fresh water aquarium clear for up to 4-6 weeks.
• Recommended for use in Cascade, and all other hang-on, internal and canister filter systems.

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