Aquaforest. AF NP Pro, 50 ml.
1 drop per 100 liters (27 US gal) everyday. We recommend using in equal doses with Pro Bio S. Once opened store in the fridge, if the temperature exceeds 24°C (75°F).
For dosing pumps (container 2000ml) : 5ml/100l ( US: 1 tsp/27 US gal. of water.) daily.
Do not overtighten the screw, otherwise the cover might be damaged.