JBL Tormec Activ (Peat Pellets)Reduces carbonate hardness and pH value, prevents growth of algae, adds natural humic substances: active peat pellets for the use in aquarium filters. Wet 24 hours before use, decant carbon into net bag, embed into the filter. Two peat components with different humic substance content: fast initial effect, well dosed long term effect. Prevents algae growth: very light amber water colouring. Ideal keeping and breeding conditions for fish from