API Pond EcoFix – 64 oz (Natural Sludge & Water Clarifier)

API POND ECOFIX SLUDGE DESTROYER – 64 oz (SKU 4147) is a highly concentrated all-natural beneficial bacteria formula that breaks down fish waste, dead algae, decaying leaves, and accumulated pond sludge — reducing pond maintenance, improving water clarity, and increasing dissolved oxygen levels naturally. A single 64 oz bottle treats up to 16,000 gallons of pond water. Unlike enzyme-based products, EcoFix works through living beneficial bacteria that digest organic pollutants at the pond bottom, converting sludge into harmless byproducts. Regular use prevents the organic overload that clogs filters, starves the water of oxygen, and creates the cloudy water and foul odors common in overstocked or under-maintained ponds. Safe for all fish, plants, wildlife, and pets. Works in ponds containing salt. SKU 4147 64 oz Treats 16,000 gal Beneficial Bacteria Salt-Compatible Fish & Plant Safe ✅ EcoFix + AlgaeFix: most effective when used sequentially: For maximum sludge reduction, use API AlgaeFix first to eliminate active algae, then add EcoFix to consume the dead algae remains. This one-two approach clears both living and dead algae quickly — do not apply both products simultaneously; allow AlgaeFix to complete its treatment before introducing EcoFix bacteria. Initial / Spring Start-Up 4 tbsp per 250 gal 2× per week × 2 weeks Maintenance 2 tbsp per 250 gal every 2 weeks End of Season 4 tbsp per 250 gal 2× per week × 2 weeks Key Features & Benefits 🧫 All-Natural Beneficial Bacteria — No Enzymes EcoFix uses living beneficial bacteria to biologically digest organic pond sludge — fish waste, dead algae, decaying leaves, and organic debris. Unlike API POND-ZYME which uses enzymatic action, EcoFix relies on bacterial digestion, establishing a colony of waste-consuming microorganisms that continuously reduce organic load in your pond between treatments. 💧 Increases Dissolved Oxygen Decomposing sludge at the pond bottom consumes dissolved oxygen through aerobic and anaerobic decomposition — the same oxygen your fish depend on. By eliminating sludge build-up, EcoFix reduces the biological oxygen demand at the pond bottom, increasing the amount of dissolved oxygen available to fish and beneficial organisms in the water column. 🔍 Clarifies Water Naturally Cloudy pond water is often caused by fine particles of fish waste, algae breakdown products, and suspended organic debris. As EcoFix bacteria consume this material, suspended organic particulates are digested and removed from the water column, resulting in improved water clarity. For clarity from inorganic particles (fine clay, silt), a flocculant clarifier like API Simply Clear is more appropriate. 🐟 Safe for All Pond Life EcoFix beneficial bacteria are completely safe for koi, goldfish, all pond fish, aquatic plants, frogs, waterfowl, and other pond wildlife. The formula is also safe for pets (dogs, cats) that drink from treated ponds. Safe for use in ponds containing salt. Shake well before use; for heavy sludge conditions, increase aeration during initial treatment to prevent oxygen depletion from rapid organic decomposition. 📅 Year-Round Protocol Use EcoFix at three key points in the pond calendar: (1) Spring start-up — dose twice a week for 2 weeks to re-establish bacterial activity and address winter accumulation; (2) Ongoing maintenance — dose every 2 weeks through summer and fall; (3) End of season — a final heavy dose helps break down organic accumulation before winter dormancy. EcoFix works best above 50°F; winter applications have reduced effectiveness due to slower bacterial activity in cold water. 💰 Best Value in the EcoFix Family The 64 oz bottle treats 16,000 gallons — 4× the coverage of the 16 oz bottle at a significantly lower cost per gallon treated. For ponds over 1,000 gallons or programs requiring initial 2-week intensive treatment followed by ongoing biweekly maintenance, the 64 oz size provides the best value without the storage challenges of the full-gallon container. Technical Specifications Specification Value SKU 4147 Official Product Name API POND ECOFIX SLUDGE DESTROYER Size 64 oz Coverage Treats up to 16,000 US gallons Mode of Action Beneficial bacteria (bacterial digestion — not enzymatic) Initial Dose 4 tbsp (60 mL) per 250 gal — 2× per week for 2 weeks Maintenance Dose 2 tbsp (30 mL) per 250 gal — every 2 weeks Salt Compatible Yes — safe in ponds containing salt Temperature Best above 50°F; less effective in cold water Safe For All fish, plants, wildlife, pets when used as directed API Pond EcoFix Sludge Destroyer — Size Family Size Coverage Best For 16 oz 4,000 gallons Small ponds; trial use; spot treatment 64 oz ← This 16,000 gallons Medium-large ponds; full seasonal program; best value 1 Gallon 22,000 gallons Large koi ponds; commercial use; bulk maintenance Frequently Asked Questions How does API Pond EcoFix Sludge Destroyer improve pond water clarity? API POND ECOFIX SLUDGE DESTROYER contains a highly concentrated blend of all-natural beneficial bacteria that digest organic matter at the pond bottom. These bacteria specifically target fish waste, dead algae, decaying leaves, and grass clippings — the accumulated organic material that causes bottom sludge, cloudy water, and foul odors. By consuming and breaking down this organic pollution into harmless byproducts, EcoFix reduces sludge depth, clears murky water, prevents filter clogging, and makes more dissolved oxygen available for fish and pond life. What is the dosage for the 64 oz bottle of API EcoFix? The 64 oz bottle treats up to 16,000 gallons. Two dosing schedules: Initial / Spring Start-Up / End-of-Season: Add 4 tablespoons (60 mL) per 250 gallons of pond water, twice a week for 2 weeks. This intensive schedule establishes a strong bacterial population and addresses accumulated organic load. Maintenance: Add 2 tablespoons (30 mL) per 250 gallons every 2 weeks throughout the season. This maintains active bacterial populations and prevents new sludge accumulation. Shake well before use. Use the dosing cap on the bottle. For heavy sludge conditions, increased aeration is recommended during treatment as rapid organic decomposition can temporarily reduce dissolved oxygen. Does API EcoFix increase oxygen levels in the pond? Yes — one of EcoFix's key confirmed benefits is increasing dissolved oxygen availability by eliminating the sludge that consumes it. Bottom sludge decomposes continuously, exerting a biological oxygen demand (BOD) on the water that depletes dissolved oxygen available to fish and beneficial aerobic bacteria. As EcoFix bacteria consume and eliminate this sludge, the BOD drops and dissolved oxygen concentrations rise. This is why ponds treated with EcoFix often show improved fish behavior and health alongside improved clarity. Is API Pond EcoFix safe for fish, plants, and wildlife? Yes — EcoFix is 100% all-natural beneficial bacteria, completely safe for koi, goldfish, all pond fish, aquatic plants, beneficial bacteria in the biofilter, frogs, waterfowl, and other wildlife. It is also safe for pets (dogs, cats) that drink from treated ponds. It can be safely used in ponds containing salt. For heavy sludge conditions, increase aeration during the initial treatment period to prevent temporary oxygen depletion from rapid decomposition activity. Can I use EcoFix in ponds containing salt or other water treatments? Yes — EcoFix is safe in ponds containing salt. Regarding combination with other treatments: With API AlgaeFix: Use these products sequentially, not simultaneously. Apply AlgaeFix first to control living algae; then, after the algae has been killed, add EcoFix to consume and digest the dead algae material. The bacteria in EcoFix are most effective when consuming dead organic matter rather than competing with active algae treatments. With API Stress Coat: Can be used in conjunction with water conditioners. With beneficial bacteria treatments: EcoFix supplements the biological filtration in your existing biofilter and works alongside regular bacterial additives. Why Buy from Pond Pro Direct? Authentic API products — genuine concentrated formula Expert pond water quality guidance — call or text (765) 508-4352, Mon–Fri 9am–5pm EST Free shipping on all orders Price match guarantee on identical products 30-day return period on eligible items