HELIX LABORATORIES, INC. Pristine Pond Cleaner and Clarifier with Beneficial Bacteria. Reduces Muck, Solids, and Sludges in Ponds, Lagoons, Water Features. Safe for Koi. Treats Up to 760,000 Gallons

Pond Cleaner & Clarifier - Outdoor Pond Treatment to Remove Muck & Sludge with Natural Pond Bacteria for Clear Water in Outdoor Ponds, Safe for Live Koi Fish & Water Plants - 8lbs, Treats 760k Gallons

API POND ALGAEFIX Algae Control 1-Gallon Bottle

CrystalClear ParaSalt Outdoor Pond & Water Garden Rock Salt Crystals, Anti Fish Parasite, Beneficial Stress Reducing & Slime Coat Treatment, Natural Aquatic Additive, Koi, Plants & Pet Safe, 20 lbs