Dupla
41 results
In stock
- Natural substrate
- Grain size: 3-5 mm
- Small, rounded black pebbles
- Ideal for aquascaping
- Wash before use
In stock
- Natural substrate
- Grain size: 0-8 mm
- Mix of fine sand and pebbles
- Ideal for aquascaping
- Wash before use
51%
off
In stock
- Innovative frozen food replacement
- Made from unique feeding gel
- Best-before stock: Krill & Mysis 11/2025
- For Freshwater and marine fish
- Popular with shrimp and invertebrates
In stock
- Innovative day food
- For tropical ornamental fish
- 1 drop for 5-10 fish
- Does not dissolve in water
- Also favoured by shrimp
20%
off
In stock
- Long-term nutrient supply
- Prevents deficiency symptoms
- pH-neutral and phosphate-free
- Easy to use
- Sufficient for 200 litres
20%
off
In stock
- Natural substrate
- Grain size: 0,4-0,6 mm
- Fine, yellowish aquarium sand
- Ideal for aquascaping
- Wash before use
20%
off
In stock
- Natural substrate
- Grain size: 0-2 mm
- Creates territorial boundaries
- Ideal for aquascaping
- Wash before use
In stock, only 13 left
- Efficient surface cleaning
- For aquariums up to 350 litres
- Adjustable pump capacity
- Easy installation
- Oxygen enrichment
20%
off
In stock
- Liquid daily fertiliser
- Rich in iron
- Essential trace elements
- pH-neutral and phosphate-free
- Highly concentrated and efficient
20%
off
In stock
- Natural substrate
- Grain size: 8-16 mm
- Cold appearing colours
- Ideal for aquascaping
- Wash before use
20%
off
In stock
- Natural substrate
- Grain size: 0-4 mm
- Elegant grey colour for modern aquarium design
- Ideal for aquascaping
- Wash before use
20%
off
In stock
- Natural substrate
- Stone size: 20-50 mm
- Flatt, smooth stones
- Ideal for aquascaping
- Wash before use
In stock
- Natural substrate
- Grain size: 8-16 mm
- Creates optimal ground climate
- Ideal for aquascaping
- Wash before use
20%
off
In stock, only 3 left
- High-quality silicone grease
- Protects against drying out
- For long-lasting connections
- Increases the service life of the seals
20%
off
In stock, only 16 left
- Reliable backflow protection
- For CO2 and air systems
- Simple installation
- Protection against water damage
- High-quality material
In stock, only 3 left
- High-quality ion exchange resin
- Easy installation
- Compatible with osmosis systems
- Efficient removal of residues
- Compact design
19%
off
In stock, only one left
- Precise TDS measuring device
- Reliable water monitoring
- Fast ppm display
- Easy handling
- Compact design
20%
off
In stock
- Limefree substrate
- Grain size: 1-4 mm
- For Freshwater aquarium
- Also for terrariums
In stock, only 3 left
- Innovative weekend food
- For tropical ornamental fish
- Ideal for up to 6 days
- Does not dissolve in water
- Also favoured by shrimp
In stock, only 3 left
- Perfect fit for DuplaMatic
- Robust feed drum extension
- Doubles feed volume
- Durable, high-quality material
22%
off
In stock, only 3 left
- Universally applicable filter housing
- Robust plastic material
- Individual filter configuration possible
- Including hose connections
- Chemical-resistant
In stock, only 5 left
- Iron complex fertiliser
- Contains important trace elements
- Prevents nutrient deficiency
- Prevents leaf malformation
- Precise, simple dosing
20%
off
In stock, only 4 left
- Regenerable anion exchanger
- Reduces silica concentration
- High silicate selectivity
- Effective against algae
20%
off
In stock, only one left
- Efficient silicate binding
- Colour indicator for monitoring
- Ready-to-use mixed bed resin
- Low conductivity
- Fully demineralisable