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Sonubaits So Natural Black River was developed to meet the demands of winter silverfish anglers on natural venues and commercial fisheries, with a focus on river conditions. This dark, heavy groundbait boasts strong binding properties, making it ideal for feeder fishing or balling in on flowing water.

The slow-acting dormant mix allows the bait to settle firmly on the riverbed before breaking down, making it perfect for delivering additional baits like chopped worm and casters directly to the target area. Its heavy composition also makes it a valuable addition when mixed with other groundbaits to increase weight and improve binding, especially in fast-flowing or deep water conditions.

Designed for versatility, this groundbait ensures that your bait presentation is effective and targeted, helping to maintain fish interest in challenging river environments.

Mixing Guidelines: Empty the 1kg bag into a mixing bucket, add water from a 1-pint maggot tub, and mix thoroughly. Allow the mixture to rest for 30 minutes for full absorption, then pass it through a riddle to achieve a fine and even consistency. In sunny or windy weather, keep the groundbait moist by covering it or re-moistening if necessary.