Efficient Aeration for Shallow Ponds and Lakes The Atlantic Shallow Water Diffuser distributes compressed air to the bottom of ponds and lakes where gas exchange and circulation are needed most. Engineered specifically for shallow water applications, this diffuser features a streamlined body design and innovative diffuser tubing that circulates water more efficiently than conventional diffusers, delivering superior oxygen transfer and bottom-to-surface circulation. The extruded EPDM diffuser tubing is proven in industrial applications, offering tremendous longevity and resistance to fouling from mineral deposits and biofilm. As pressure rises, bubble sizes decrease, maximizing surface area for extremely efficient gas diffusion and circulation. This professional-grade diffuser provides the oxygen transfer capacity essential for fish health, beneficial bacteria, and overall water quality in shallow water environments. Industrial-Grade EPDM Diffuser Tubing The extruded EPDM (ethylene propylene diene monomer) diffuser tubing represents a significant advancement over traditional air stones and porous diffusers. This industrial-grade material resists clogging from mineral deposits, algae, and biofilm that would degrade conventional diffusers. The tubing maintains consistent performance season after season, even in hard water conditions that rapidly foul standard diffusers. The tubing is easily replaceable when service is eventually needed, extending the usable life of the diffuser far beyond sealed units that require complete replacement. Stainless steel hardware ensures corrosion resistance and structural integrity through years of continuous underwater service. Optimized Bubble Technology As air pressure increases with water depth, the diffuser produces smaller bubbles that maximize surface area for gas exchange. These fine bubbles create superior oxygen transfer efficiency compared to large bubbles that rise quickly with minimal water contact. The increased surface area also enhances circulation, creating upwelling currents that move oxygenated water from the pond bottom to the surface. This circulation pattern is critical for preventing stratification in shallow ponds, where temperature and oxygen gradients can stress fish and create dead zones. The diffuser's streamlined body design minimizes resistance and optimizes water flow patterns for maximum circulation efficiency. User-Fillable Ballast Design The diffuser ships empty to save weight and freight costs, allowing you to fill it on-site with sand or gravel for proper ballast. This approach provides installation flexibility—adjust ballast weight based on your specific pond bottom conditions, water depth, and substrate type. The user-fillable design also simplifies shipping and handling compared to pre-weighted diffusers. Technical Specifications Flow rate: 15-75 LPM (liters per minute) Dimensions: 13.5"L × 12"W × 8.5"H Extruded EPDM diffuser tubing Stainless steel hardware User-fillable ballast chamber Easily replaceable tubing Streamlined body design 5-year warranty SKU: 73978 Weight (empty): 6 lbs Key Features Distributes compressed air to pond bottom for optimal gas exchange Streamlined body design for efficient water circulation Industrial-grade EPDM diffuser tubing Tremendous longevity and resistance to fouling Smaller bubbles maximize surface area for gas diffusion User-fillable ballast chamber (sand or gravel not included) Ships empty to save freight costs Easily replaceable tubing extends service life Stainless steel hardware for corrosion resistance Ideal for shallow water applications 5-year warranty Frequently Asked Questions Q: What is considered "shallow water" for this diffuser? A: This diffuser is optimized for shallow water applications, typically ponds up to 6-7 feet deep. For deeper ponds (over 8 feet), consider deep water diffusers designed for higher pressure and greater depths. Q: How much sand or gravel do I need to fill the ballast chamber? A: The ballast chamber typically requires 10-15 lbs of sand or gravel to achieve adequate weight for most installations. Adjust the amount based on your pond depth and bottom substrate—deeper ponds or soft substrates may benefit from additional ballast weight. Q: What size compressor or pump do I need? A: The diffuser operates with flow rates from 15-75 LPM. Select a compressor or aeration pump rated for your pond depth with adequate LPM output within this range. Consult the diffuser's installation guide or contact a pond professional for specific pump recommendations based on your system. Q: How often does the diffuser tubing need replacement? A: With proper compressor filtration and water quality, the EPDM tubing can last multiple seasons. Inspect annually for signs of clogging or degradation. The easily replaceable design allows you to service the tubing without replacing the entire diffuser assembly. Q: Can I use multiple diffusers in one pond? A: Yes. Multiple diffusers can be connected to a single compressor using manifolds or splitters to distribute aeration across larger ponds or create targeted circulation zones. Ensure your compressor has adequate capacity to supply all connected diffusers. Q: Will the diffuser work in winter for ice prevention? A: Yes. The diffuser is commonly used for winter aeration to maintain an open area in the ice, allowing harmful gases to escape and oxygen to enter. Ensure your compressor is rated for continuous winter operation. Q: How do I position the diffuser in my pond? A: Place the diffuser on the pond bottom in the deepest area for maximum circulation. Avoid positioning directly beneath waterfalls or skimmers, as excessive surface agitation in those areas can reduce aeration efficiency. Q: What type of airline tubing is compatible? A: The diffuser accepts standard weighted airline tubing (typically ⅜" or ½"). Use weighted tubing to keep the airline submerged and prevent kinking or floating. Consult product specifications for exact connection size.
