API Pond EcoFix – 64 oz (Natural Sludge & Water Clarifier)
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Description
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.
Key Features & Benefits
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
Price Match
At Pond Pro Direct, we want you to shop with confidence, knowing you’re always getting a good deal.
We will match or beat the lowest online price on its products.
If you find a lower price for any products on our store, we will beat it by $50 for products listed over $2000. In order to be eligible, you must provide proof, whether a screenshot, invoice, email, etc. of the lower offer.
Please note that this does not apply to every product in the store, so reach out via email or chat for confirmation before purchasing.
For the policy to apply, simply send us a screenshot, link, or any other proof of the lower price.
For more information, please check out Price Match Policy Page
Shipping & Delivery
Order Processing
Orders are processed within 1–5 business days, depending on product type, brand, and fulfillment method. Products sold on Pond Pro Direct ship directly from manufacturers or authorized distribution partners and do not ship from a single centralized warehouse.
Processing times may vary by brand, item type, fulfillment method, and whether an item is made to order or ships via freight.
Order Confirmation
After placing your order, you will receive an order confirmation email confirming that we have received your order and pre-authorized your payment method.
Once your order is received, we contact the manufacturer or distribution partner to confirm availability and fulfillment timelines.
- If an item is unavailable or on backorder, we will notify you by email and void the pre-authorization.
- If the item is available, the payment will be processed and the order submitted for shipment.
Order Shipment
If your order is in stock and payment is processed, it will typically ship within 6–13 business days. Once your order ships, tracking information (when available) will be sent to the email address provided at checkout.
If you do not receive shipping confirmation within 6 business days, please contact us at support@pondprodirect.com.
Shipping Destinations
At this time, we primarily ship within the United States. Some products may be available for shipment to Canada. If the website allows checkout and accepts your shipping address, the product is eligible for delivery to that location.
Changing Your Shipping Address
Address changes after an order has been processed or shipped may result in delays or additional carrier fees. Any carrier charges associated with address changes are the responsibility of the customer.
Shipping Times
All shipping times are estimates only and not guarantees.
- Typical handling time: 1–5 business days
- Typical transit time after shipment: 5–8 business days
- Estimated delivery window: 6–13 business days
Delivery timelines may vary based on brand, item type, production status, freight requirements, and carrier availability.
If an order is cancelled after it has been processed or shipped, the customer may be responsible for applicable shipping charges, freight fees, carrier return fees, and warehouse handling costs, where applicable.
Shipping Options
Available shipping options vary by product and location.
Our standard Curbside Delivery option is provided at no additional cost where applicable and delivers the item to the curbside or driveway of the delivery address.
Additional options, such as Threshold Delivery or White Glove Delivery, may be available for select products and locations.
For full details regarding freight delivery, inspection requirements, liftgate service, returns, and customer responsibilities, please review our full Shipping Policy page.
Returns & Refunds
Cancellations & Refunds
Orders may be canceled free of charge before shipment, unless the item is classified as Custom or Made-to-Order (see below).
If you have questions about your order, please contact us at support@pondprodirect.com or call (765) 508-4352 during business hours.
Cancellations (Before Order Ships)
If you need to cancel an order before it ships, please contact us as soon as possible. Orders canceled prior to shipment are eligible for a full refund.
You can reach our team by phone at (765) 508-4352, via live chat on our website, or by email at support@pondprodirect.com.
Cancellations (After Order Ships)
Once an order has shipped or entered fulfillment, it may no longer be eligible for cancellation. If you no longer wish to keep the item, you must wait until delivery and then request a return.
A Return Merchandise Authorization (RMA) is required before returning any item.
Custom or Made-to-Order Items
Custom or made-to-order products are produced specifically for your order and cannot be canceled or refunded once production has begun, except in cases of defect or error.
Product pages will clearly indicate when an item is custom or made-to-order. If you are unsure whether an item falls into this category, please contact us before placing your order.
Returns & Refunds
Returns are subject to the following conditions:
- Customers have 30 days from delivery to request a return, unless otherwise stated on the product page or by manufacturer policy
- Items must be unused, uninstalled, and in original packaging
- An RMA is required prior to returning any item
Because we ship products directly from manufacturers, return eligibility may vary by brand. If a manufacturer does not permit returns on a specific product, we may be unable to accept the return. Please contact us if you would like confirmation of return eligibility for a specific item.
Fees & Shipping Costs
- Return shipping costs are the responsibility of the customer unless the item is defective or shipped in error
- Freight / LTL shipments may incur higher return shipping costs due to carrier fees
- Approved returns of non-defective items may be subject to a restocking fee of up to 25%
- Original outbound shipping charges are non-refundable
If you are exchanging an item rather than returning it outright, we may be able to assist with some costs depending on the product and manufacturer.
For full details, including freight deliveries, damage reporting requirements, and manufacturer-specific terms, please review our complete Return and Refund Policy
