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Biological additives are the everyday baseline of a healthy lake or pond. Rather than killing existing algae or chemically binding nutrients, they introduce beneficial bacteria that consume the organic load, break down sludge, and starve algae of the nutrients they need to bloom. The trade-off is that they work with the natural ecosystem over weeks and months rather than hours — and because the bacteria need warmth to stay active, dosing is concentrated through the warmer months. They’re not the right tool for a crisis, but they are the most cost-effective way to keep a water body stable between seasons. If you’re combining them with chemical intervention, always apply biologicals after the algaecide or oxidiser has done its work — never mixed in with it.
Parklink’s biological range is built around two complementary products that target different parts of the water body: REGEN-Balance works in the water column where algae grow, and REGEN-Sediment works at the muck layer where the nutrients driving those blooms are stored. Used together, they form a complete biological maintenance programme — Balance keeps nutrients from feeding blooms above, Sediment stops the muck layer below from re-supplying them.
Probiotic for the water column
REGEN-Balance is a dry probiotic powder supplied in water-soluble bags or loose form, applied as a powder or dissolved and sprayed across the water surface. It blends psychrophilic, neutrophilic and mesophilic microorganisms — meaning it stays active across a wide temperature range, with peak performance between 14.4°C and 25.6°C. Once dosed, the bacteria rapidly cycle out excess nitrogen, bind phosphorus compounds, lower ammonia and improve water clarity. REGEN-Balance is also the recovery product of choice after a chemical treatment, restoring ecological balance once an algaecide or oxidiser has finished its work. Apply once per month or as needed. View REGEN-Balance →
Probiotic for the sediment layer
REGEN-Sediment is supplied as tablets, broadcast across the water surface and designed to sink to the bottom and saturate the sediment with bacterial cultures and rare-earth stimulants. This establishes a healthy microbiota at the water-to-sediment interface that accelerates the digestion of organic matter and reduces internal nutrient loading — the slow leaching of nitrogen and phosphorus from old sludge back up into the water column. By tackling the nutrient supply at its source, REGEN-Sediment supports clearer water, a thinner muck layer and fewer recurring algae blooms. Three dosage tiers cover targeted muck reduction, ongoing maintenance, and degradation of floating debris. Apply once per month or as needed. View REGEN-Sediment →
Cyanobacterial blooms are a significant public health issue, particularly in summer Cyanobacteria (blue-green algae) produce a variety of toxins such as hepatotoxins, neurotoxins and dermatoxins which are detrimental to human and animal health.
REGEN-Sediment® is a next-generation probiotic tablet for the restoration and maintenance of impaired water resources.It is the next-generation sludge remover tablet. This advanced probiotic combines scientific research with novel bioengineering, resulting in a product that treats the entire water body by starting at the bottom. REGEN-Sediment® tablets saturate the sediment layer with rare earth stimulants and a broad spectrum of natural bacterial cultures. This establishes a healthy microbiota at the water-to-sediment interface that accelerates the digestion of organic matter.
Once per month or as needed.
*Do not mix directly with algaecides or herbicides.
**If used in conjunction with algaecide or herbicide, apply after chemical treatment for best results.
| Surface Area (m²) | Targeted Muck Reduction | Muck Maintenance & Prevention | Degradation of Floating Debris |
| 1,000 | 2.3 – 5.7 kg | 1.1 – 2.8 kg | 0.57 – 1.7 kg |
| 2,000 | 4.5 – 11.3 kg | 2.3 – 5.7 kg | 1.1 – 3.4 kg |
| 4,000 | 9 – 23 kg | 4.5 – 11.3 kg | 2.3 – 6.8 kg |
| 20,000 | 45 – 113 kg | 9 – 57 kg | 9 – 34 kg |
| 40,000 | 91 – 227 kg | 45 – 113 kg | 23 – 68 kg |
| 400,000 | 907 – 2270 kg | 454 – 1130 kg | 227 – 680 kg |
REGEN-Balance® is a Temperature Driven Solution that excels between 14°C-26°C. This dry probiotic formula is enhanced with psychrophilic, neutrophilic, and mesophilic microorganisms and select stimulants to ensure optimal performance. REGEN-Balance® will quickly cycle out excess nitrogen and phosphorus compounds in aquatic environments. Made for aquatic professionals, it promotes a balanced aquatic ecosystem and rapid recovery from both adverse environmental impacts and chemical treatments.
REGEN-Balance® excels when used alone and can be applied as a dry powder or dissolved and sprayed over the surface of the water. For an extra boost, use REGEN-Balance® in combination with REGEN-Enhancer®
Water bodies have stress from both external and internal sources. Excessive rains or draught combined with the ongoing use of algaecides and herbicides deplete the microbial communities that are fundamental to nutrient removal in water bodies. This imbalance in the ecosystem leads to elevated nutrient issues and can result in excessive aquatic plant growth, continuing algal blooms, and HAB’s (Harmful Algal Blooms).
REGEN-Balance® was formulated through years of research by obtaining samples from lakes and ponds across the Globe when water temperatures were mild. The natural microbial communities in the samples were analyzed to understand population densities and the specific organisms that are depleted by stresses. This research is how Parklink was able to create a probiotic that supplements natural populations and supports indigenous organisms that are functional and native to that geography. REGEN-Balance® is more than simple additions of beneficial bacteria. It is a scientifically formulated probiotic that works in harmony with the microbial communities that play key roles in nitrogen and phosphorus uptake. Real science. Real Results.
| Ingredients | Micronutrients and select bacterial cultures |
| Description | Dry tan powder |
| Odor | Earthy odor |
| pH | 7.0 |
| Stability – Activity loss | At 24°C for 12 months*: 10% or less; At 38°C for 6 months*: 10% or less; *When stored as directed in a sealed container out of direct sunlight. |
| Storage and Handling | Store in a cool, dry space between 10 – 27°C. Keep out of direct sunlight and do not store with strong oxidizing agents. |
| Surface Area (m²) | Initial Application | Standard Application | Hypereutrophic Water |
| 1,000 | 900 g | 450 – 900 g | 1.4 kg |
| 2,000 | 1.4 kg | 0.5 – 1.4 kg | 2.7 kg |
| 4,000 | 2.7 kg | 1 – 2.7 kg | 5.4 kg |
| 20,000 | 14 kg | 4.6 – 14 kg | 27 kg |
| 40,000 | 27 kg | 9 -27 kg | 54 kg |
| 400,000 | 270 kg | 90 – 270 kg | 540 kg |
Included in treatment programs for:
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