Finding a Replacement for "Back-Up" Water Treatment

Owner of multiple ponds and a river otter tank can't find "Back-Up" water treatment. Needs organic algae control safe for otters.

Alternative: BZT (Beneficial Bacteria/Enzyme Blend)

BZT dissolves organic waste, reduces algae, and is safe for all animals. Used in zoos and aquariums. Available from United Tech:

Ponder's Special (~$35) treats small systems for a year. Mention referral for discount. No chemicals—safe for otters.

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