DUPLA water care

DUPLA is a highly renowned brand when it comes to water care for both freshwater and saltwater aquariums.


The brand is a jack of all trades, whether it concerns medication, additives, feed or substrate.

Dupla-eeze Calanus, 2-3mm, 20g

Double-eeze Calanus, 2-3mm, 20 g ...

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Dupla-eeze Calanus Powder, 60 g

Double-eeze Calanus Powder, 60 g ...

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DUPLA Coral Food phyto for corals and invertebrates

Floating food and plankton replacement for corals, filter feeders and mussels. Coral Food phyto is a supplementary food for small and large polyp stony corals and for all other pla...

Delivery time 2–3 days

DUPLA Dosing Box C4 4 x 1.5 l / container

A handy reservoir for storing 4 dosing solutions. The individual chambers of the Dupla Marin Dosing Box C4 each have a capacity of 1.5 litres and at the same time serve to control ...

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DUPLA Duplamatic automatic vehicle

The DuplaMatic is a modern microchip-controlled feeder, which is particularly user-friendly thanks to its simple application and programming. Thanks to the optional operation with ...

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Feed drum for DUPLA Duplamatic feeder

Extension set for the feed drum for the automatic feed of DuplaMatic. If you need a little more, the filling volume of the DuplaMatic can be increased from 60 ml to 100 ml with an ...

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DUPLA Duresin RI, Ultrapure water resin 1000 ml

Binds silicates, nitrates and residual salts in the permeate (pure water from the reverse osmosis system). The colour indicator shows how far the material is depleted. Is a ready-t...

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DUPLA Worm X (Trap for bristle worms)

There is no saltwater aquarium in which bristle worms do not occur. They are usually secretive and often only come out at night or when they are looking for food. If you see ticks....

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DUPLA Jod 24, 50 ml

Essential trace element iodine for daily dosage. Necessary for the development and coloration of corals. Indispensable for the molting of crustaceans. Important for many algae spec...

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DUAL - Biopellets NP

Biopellets NP is an easy to use filter material for removing phosphate and nitrate in marine aquariums. The Biopellets NP, made of 100% biodegradable polymers, form ...

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DUPLA - Calibration solution pH 7, 100 ml

Puffed calibration with the null points of Dupla pH-Control with the Dupla pH-Electrode. Can also be used for calibrating other PH electrodes....

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DUPLA - Calibration solution pH 4, 100 ml

Puffed calibration with the null points of Dupla pH-Control with the Dupla pH-Electrode. Can also be used for calibrating other PH electrodes....

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DUPLA - All 4 One liquid

All 4 One Liquid is the all-round product for all reef aquariums. It provides the aquarium with magnesium, calcium, strontium, carbonate hardness formers and all other necessary mi...

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DUPLA - Siliphos

Siliphos is an iron hydroxide based, effective phosphate and silicate remover for marine and freshwater aquariums. The wet granulate has an extremely high binding capacity and solv...

Delivery time 2–3 days

DUPLA - Empty filter housing FG 500

Universally applicable filter housing for individual assembly with your own filter materials. Including hose connections. Technical data Length: 29 cm Diameter: 7 cm Capacity: 500 ...

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DUPLA - Cube Skimmer 120

Cube Skimmer 120, for saltwater aquariums - 120 l Always better with a skimmer! Protein skimmers are among the most important technical devices in a saltwater aquarium and have the...

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DUAL - Amino 24, 50 ml

Amino Acids Special blend of essential amino acids to promote coral growth and color. Supports symbiotic relationships between zooxanthellae and corals. Promotes the outg...

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DUPLA - Silicate filter

Filter housing filled with 500 ml Duresin SI. To be installed downstream of an osmosis system. Including hose connections for osmosis systems. 500 ml filter volume binds up to 5.0....

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DUPLA - Gel-o-Juice Artemia micro, 50 ml

Optimal nutrition for aquarium fish, invertebrates and corals is essential for their growth and health. A balanced diet is essential to provide the animals with all the necessary n...

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DUPLA - Gel-o-Juice Coral Food phyto, 50 ml

EN! Complementary food for corals & Co. Gel-O-Juice Coral Food phyto is a liquid micro floating food and plankton substitute for hard and soft corals, mussels, gorgonians, rico...

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DUPLA - Ocean Refill 200 SE

The Ocean Refill 200 SE is a modern, sensor-controlled automatic refill system with electronic safety function for aquariums. Three optical sensors, including a safety sensor as ov...

Delivery time 2–3 days

DUPLA - Ocean Eco Pump OEP 1200

The Ocean Eco feeding pumps can be used in various ways in both saltwater and freshwater aquariums. The flow rate can be regulated manually and thus optimally adapted to the specif...

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DUPLA - Hydrometer glass cylinder, 500 ml

Hydrometer glass cylinder, 500 ml, of the brand Dupla. Suitable for large Hydrometers....

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DUAL Vliesfilter VF 200

Our manual fleece filter VF 200 ensures crystal clear water in your aquarium, because the fine fleece reliably removes even the smallest particles. Thanks to its compact design, ou...

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DUPLA Replacement fleece for VF200

Replacement filter fleece suitable for the Dupla Marin VF 200. Technical data: Dimensions: approx. 23m x 5cm ...

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Double Ocean Sump OS 800

Ocean Sump 5-chamber filter systems have several innovative features that simplify connection, operation, maintenance and cleaning. All Ocean Sump filter systems are...

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Double Ocean Sump OS 500

Ocean Sump OS 500 5-chamber filter system Product details Ocean Sump 5-chamber filter systems have several innovative features that make connection, operation, maintenance and clea...

Delivery time 1-2 weeks

DUPLA Thermometer SB

Safety thermometer made of plastic, mercury-free. Including suction cup and clamp....

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DUPLA - Aqua solenoid valve gas and water

The solenoid valve can be used to control small reverse osmosis systems or to regulate the level (evaporation compensation) in aquarium systems using a...

Delivery time 2–3 days

DUPLA - Bacter Booster

Provides bacteria with micronutrients that are lacking in the aquarium or are quickly used up. Mode of action: During the decomposition of organic waste, various micronutrients are...

Delivery time 2–3 days

DUPLA - Bacter M

Adds a high concentration of water purifying bacteria to the aquarium. Reduces harmful and toxic substances. Contains 4 x 108 bacteria. Mode of action: Bacter M is a highly concent...

Delivery time 2–3 days

DUPLA - Basic Ocean Sea Salt

High-quality sea salt for tropical reef aquariums. Its composition corresponds to the conditions of natural seawater. Enriched with over 70 trace elements, Basic Ocean Sea Salt is ...

In stock

DOUBLE - Bio Nite 50 ml

Bio Nite is a mixture of probiotic and nitrifying bacteria in one preparation. It improves water quality and supports the strengthening of the immune system of all a...

Delivery time 2–3 days

DUPLA Premium Coral Salt Amino Active 20 kg bucket for 600 l

Premium Coral Salt Amino Active contains a special concentration of amino acids that matches the concentration in natural seawater. The Amino Active Formula supports important biol...

Delivery time 2–3 days