Two weeks ago, we have attended the Aquaculture Europe 2017 conference in Dubrovnik. I (Boris) presented our latest findings with respect to sludge mineralisation in aquaponic systems. It is a challenge to treat fish sludge within aquaponic systems to reduce the quantity of waste. Even more important is the objective to recover the valuable nutrients that are trapped in the sludge. Nutrient recovery by sludge mineralisation constitutes a great opportunity to complement the hydroponic nutrient solution in a sustainable manner.  Read more