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Dennerle

We can deliver Dennerle products on the same day! Most products are in stock, so you don't have to wait. Place your order from the comfort of your home and have it delivered to your address, to an AlzaBox, or to one of our stores. Why shop anywhere else but on Alza.cz?

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7 reasons to shop for Dennerle products on Alza.sk

We have a wide network of stores across the Czech Republic, where we follow all hygiene measures, as well as contactless AlzaBoxes (pick-up points).
You can see the availability of each item right away. Don't forget that we deliver on weekends too.
We accept most payment methods, including contactless and cryptocurrency.
You can easily return or exchange your product at any of our AlzaBoxes.
Need assistance? Our customer support is available 24/7.
We complement our range with accessories and additional services.
You'll find all the essential information for each product, and for some, user reviews to help with your selection.

What to consider when choosing Dennerle goods?

When making your selection, don't forget to consider a few aspects that will help you choose the right product. In the left menu, you can use the parametric filter to narrow down the offer to match your preferences. We also recommend sorting Dennerle products by popularity or price.

Dennerle brand names you'll find in our offering

Dennerle CO2 Micro-Flipper - Aquarium Tech

Dennerle CO2 Micro-Flipper

In stock 2 pcs at the supplier's

Aquarium Tech - professional reactor with increased efficiency for aquariums up to 80 l

Added to cart

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Dennerle Nano Light 9 W - Aquarium Lighting

Dennerle Nano Light 9 W

In stock > 5 pcs at the supplier's

2 sizes

Aquarium Lighting - T5 fluorescent lamp, for nano aquariums, energy-efficient, power consumption 9 W, maximum chromaticity 6000 K, Dimensions 20.5 × 13 cm (L × H)

Added to cart

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Dennerle Nano Light 11 W - Aquarium Lighting

Dennerle Nano Light 11 W

In stock 3 pcs at the supplier's

2 sizes

Aquarium Lighting - T5 fluorescent lamp, for nano aquariums, energy-efficient, power consumption 11 W, maximum chromaticity 6000 K, Dimensions 27 × 13 cm (L × H)

Added to cart

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Dennerle BactoClean Bio 50 ml - Aquarium Water Treatment

Dennerle BactoClean Bio 50 ml

In stock 1 pcs at the supplier's

Aquarium Water Treatment - routine care, suitable for water purification, for marine aquariums and freshwater aquariums, against bacteria, haze, volume 50 ml

Added to cart

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Dennerle Clear Water Elixier 500 ml per 2500 l - Aquarium Water Treatment

Dennerle Clear Water Elixier 500 ml per 2500 l

In stock > 10 pcs at the supplier's

2 sizes

Aquarium Water Treatment - acute care, suitable for water purification, for marine aquariums and freshwater aquariums, against haze, neutralizes chlorine and binds toxic metals,...

Added to cart

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Dennerle CO2 Long Term Test Correct - Aquarium Water Treatment

Dennerle CO2 Long Term Test Correct

In stock > 10 pcs at the supplier's

Aquarium Water Treatment - routine care, suitable for water testing, for marine aquarium and freshwater aquarium, CO2 and pH test

Added to cart

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Dennerle Nano Deponit-Mix 1 kg - Aquarium Plant Food

Dennerle Nano Deponit-Mix 1 kg

In stock > 10 pcs at the supplier's

Aquarium Plant Food - fertilizer substrate, contains clay materials and maintains optimum humidity, used by aquarium plants and aquarium fish, weight 1 kg, brown colour

Added to cart

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Dennerle Clear Water Elixier 250 ml per 1200 l - Aquarium Water Treatment

Dennerle Clear Water Elixier 250 ml per 1200 l

In stock > 10 pcs at the supplier's

2 sizes

Aquarium Water Treatment - acute care, suitable for water purification, for marine aquariums and freshwater aquariums, against haze, neutralizes chlorine and binds toxic metals,...

Added to cart

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Dennerle Nanotherm mini-thermometer - Aquarium Supplies

Dennerle Nanotherm mini-thermometer

In stock > 10 pcs at the supplier's

Aquarium Supplies - mini thermometer for nano-aquariums, scale 0 - 50 °C, part 2 °C

Added to cart

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Dennerle Deponit-Mix Professional 10in1 2,4 kg - Aquarium Plant Food

Dennerle Deponit-Mix Professional 10in1 2,4 kg

In stock > 10 pcs at the supplier's

Aquarium Plant Food - silica type, fertilizer substrate, contains clay materials and maintains optimum humidity, aquarium plants and aquarium fish will benefit from it, weight 24...

Added to cart

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Dennerle Goldy Booster 200 ml - Aquarium Fish Food

Dennerle Goldy Booster 200 ml

In stock > 10 pcs at the supplier's

Aquarium Fish Food - basic feed, type of food is pellets, designed for goldfish, volume 0,2 l, with seaweed, high protein - 42.60 €/1 l

Added to cart

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Dennerle Bacto Elixier FB7 250 ml - Aquarium Water Treatment

Dennerle Bacto Elixier FB7 250 ml

In stock > 10 pcs at the supplier's

Aquarium Water Treatment - routine care, suitable for water purification, for freshwater aquariums, against bacteria, haze, volume 250 ml

Added to cart

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Dennerle Nano Garnelenkies Sulawesi schwarz 07-12 mm 2 kg - Terrarium Sand

Dennerle Nano Garnelenkies Sulawesi schwarz 07-12 mm 2 kg

In stock > 10 pcs at the supplier's

Terrarium Sand - gentle, does not affect the hardness of the water, maximum grain size 12 mm, the shrimp will take advantage of it, weight 2 kg, black colour - 5.05 €/1 kg

Added to cart

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Dennerle Aqua Elixier 500 ml per 2500 l - Aquarium Water Treatment

Dennerle Aqua Elixier 500 ml per 2500 l

In stock > 10 pcs at the supplier's

Aquarium Water Treatment - acute care, suitable for water treatment, for freshwater aquariums, neutralises chlorine and binds toxic metals, volume 500 ml

Added to cart

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Dennerle CO2 hose 2 m black - Aquarium Supplies

Dennerle CO2 hose 2 m black

In stock > 10 pcs at the supplier's

Aquarium Supplies - Spare hose, length 2 m, black

Added to cart

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Dennerle Nano Crusta Brennessel Stixx 30 g - Aquarium Fish Food

Dennerle Nano Crusta Brennessel Stixx 30 g

In stock > 10 pcs at the supplier's

Aquarium Fish Food - complementary food, type of food is pellets and sticks, intended for shrimps, weight 0,03 kg

Added to cart

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Dennerle CO2 pressure reducer - Aquarium Tech

Dennerle CO2 pressure reducer

In stock > 5 pcs at the supplier's

Aquarium Tech - Carbo Power pressure reducing valve for Dennerle disposable CO2 bottles with M10 × 1.25 connection thread

Added to cart

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Dennerle CO2 reusable bottle 500g - Aquarium Tech

Dennerle CO2 reusable bottle 500g

In stock > 5 pcs at the supplier's

Aquarium Tech - Practical reusable CO2 cylinder

Added to cart

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Dennerle Nano Algae Waffers 40 pcs - Aquarium Fish Food

Dennerle Nano Algae Waffers 40 pcs

In stock 5 pcs at the supplier's

Aquarium Fish Food - basic food, type of food is flakes and wafers, intended for shrimps, with seaweed, 40 pcs per pack

Added to cart

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Dennerle CarboPower EW/MW 400 SE - Aquarium Tech

Dennerle CarboPower EW/MW 400 SE

In stock 5 pcs at the supplier's

Aquarium Tech - disposable CO2 fertiliser set, the package contains a CO2 disposable bottle, safety valve, solenoid valve, hose, diffuser, test

Added to cart

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Dennerle Deponit-Mix Black 10in1 48 kg - Aquarium Plant Food

Dennerle Deponit-Mix Black 10in1 48 kg

In stock > 5 pcs at the supplier's

Aquarium Plant Food - fertilizer substrate, contains clay materials and maintains optimum humidity, aquarium plants will use it, aquarium fish, Shrimp, amphibians, catfish and...

Added to cart

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Dennerle CarboStart EW/MW 200 SE - Aquarium Tech

Dennerle CarboStart EW/MW 200 SE

In stock > 5 pcs at the supplier's

Aquarium Tech - disposable CO2 fertiliser set, the package contains a CO2 disposable bottle, pressure reducing valve, check valve, hose, diffuser, test

Added to cart

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Dennerle Nano Garnelenkies Borneo braun 0,7 - 1,2 mm 2 kg - Terrarium Sand

Dennerle Nano Garnelenkies Borneo braun 0,7 - 1,2 mm 2 kg

In stock > 10 pcs at the supplier's

Terrarium Sand - gentle, does not affect the hardness of the water, maximum grain size 1.2 mm, the shrimp will take advantage of it, weight 2 kg, brown colour - 5.05 €/1 kg

Added to cart

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Dennerle Diskus Softgranulate 200 ml - Aquarium Fish Food

Dennerle Diskus Softgranulate 200 ml

In stock > 10 pcs at the supplier's

Aquarium Fish Food - basic feed, type of food is pellets, intended for target fish, volume 0,2 l, with seaweed - 55.40 €/1 l

Added to cart

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