Dupla

pH control unit for CO2 dosage.

The CO2 Set Delta 400 is recommended for aquaria up to approximately 400 litres in capacity. The set is based around the Dupla CO2 Reactor 400, a unique and sophisticated device for optimum CO2 infusion.

Complete CO2 reactor for aquariums up to 400 liters. Special features: Variable diffusion space, does not require its own pump, suitable for aquariums up to 400 liters.

Dupla Co2 O-Ring for Dupla Co2 Fixtures.

The  CO2 Reactor S is perfectly suited for the optimum and almost maintenance-free  CO2 fertilisation in large aquaria.

Basic fertilizer tablets with trace elements. Nutrient combination that is effective over a long period.

If aquarium plants are to grow and thrive, they need, besides water and light, a certain selection of nutrients. Since the aquarium is an artificial biotope, these nutrients are, however, not available indefinitely. The nutrients must be introduced into t

Liquid daily fertiliser with iron and trace elements.

Controls the CO2 supply via a timer switch (semi-automatic regulation) or a pH-regulator (fully-automatic regulation).