MAXSPECT - Denitrification catalyst - 5 pieces

analysis
Analysis

Colorimetric tests

Measuring devices

Standard solutions

Calibration and cleaning solutions

Laboratory analysis

Analysis / Tests

Colorimetric Tests

Strip Tests

Permanent Tests

Measuring devices

Calibration and cleaning solutions

Test cases

Basin Analysis

Colorimetric Tests

Strip Tests

Measuring devices

Test cases
5€ discount for your first order with the code: BIENVENUE05 (from 100€ purchase, offers cannot be combined)
complements
Balling Products

Balling Products

Seawater supplements

Triton Reagents Products

Trace elements

Coral booster

Minerals

Amino acids

Bio carrier

Trace elements

Buffer pH

Fauna Marin Supplements

ATI Labs add-ons

Tropic Marin Supplements

Zoanthus Lab Supplements

Basic elements

Calcium

Magnesium

Kh

Iodine

Potassium

Iron

Fluorine

Boron

Phosphate

Fresh Water Supplements

Nutritional Supplements

Soil Fertilizer

Tablet Fertilizer

Liquid Fertilizer

AquaScaping Fertilizer

CO2 system

CO2 bottles

Complete CO2 kits

CO2 Accessories

Basin Supplements

Plant fertilizer

Oxygen

Basic elements

pH

Kh

Gh
5€ discount for your first order with the code: BIENVENUE05 (from 100€ purchase, offers cannot be combined)
Treatment
Water treatment

anti phosphate

Anti silicates

Anti Nitrates

anti ammonia

Anti heavy metals

Biopellets

Filtration ceramics

Charcoal

water clarifier

Water conditioners

Deionization

Demineralization

Zeolite

Live algae for refuge

Bacterial Treatments

Bacteria

Adverse Treatments

Elimination of cyanobacteria and algae

Planaria and worm elimination

Anti Aiptasia

Fish Care

Medications

Vitamins

Water treatment

Anti Phosphates

Anti-Silicates

Anti Nitrates

Aquascaping

pH and KH adjustment

Filtration ceramics

Charcoal

Water clarifiers

Water conditioners

Remineralizing

Bacterial Treatments

bacteria

Adverse Treatments

Anti Algae

Anti-snail

Fish Care

Medications

Vitamins

Water treatment

pH, KH and GH adjustment

Water clarifiers

Anti Algae

Anti Slime

anti phosphate

water conditioner

Bacterial Treatments

Pond Bacteria

Bacteria for the filter

Fish Care

General disinfectant

Worms and Parasites

White Dots

Bacterial Infections

Wounds

Vitamins
5€ discount for your first order with the code: BIENVENUE05 (from 100€ purchase, offers cannot be combined)
Food
Seawater Food

fish food

coral food

Clam food, sponge

Live Food

Breeding Artemia

Power accessories

Fresh Water Food

Artemia Breeding

Fish food

Feeding accessories

Granulated Fish Food

Food Fish Flakes

Food for invertebrates

Food Basin

All our foods

Koi Carp Food

Sturgeon Foods

Power Accessories
5€ discount for your first order with the code: BIENVENUE05 (from 100€ purchase, offers cannot be combined)
Substrate/Salt
Sand

living sand

inert sand

Substrate for reactor

Sea Salts

Enriched reef salt

reef salt

Fish-only salt

Liquid Salt

Sands / Quartz / Substrates

Sands and Quartz

Nutrient Substrates

Technical Floors

Remineralizing

Pond Substrate

Substrates

Soils

gravels
5€ discount for your first order with the code: BIENVENUE05 (from 100€ purchase, offers cannot be combined)
Equipment
Seawater Equipment

Accessories

Aeration

Aquariums

Measuring devices

Heaters

Settling

Decoration / Layout

LED Lighting and Ramp

Skimmers

Surface filter

Roll filter

Fluidized Filters

KH management

Cold / Chiller Group

Management Computer

Reverse osmosis systems

Osmolators

Mixing pumps

Metering pumps

Water pumps

algae reactor

Biopellet Reactor

Limestone Reactors

Hydroxide Reactor

Cooling

Calcium Reactors

Sterilizer and UV Filter

Detached pieces

Library

Freshwater Equipment

Measuring devices

Accessories

Aeration

Aquarium

Heaters

Decoration and layout for freshwater aquariums

Lighting

Filtered

reverse osmosis

Water Pumps

Brewing pumps

Cooling

Sterilizer / UV Filter

CO2 system

Cold / Chiller Group

Detached pieces

Library

Basin Equipment

Aeration

water jet

Water pump

Skimmer

UV Filter / Sterilizer

Library

Lighting

Filters

Mist generator
5€ discount for your first order with the code: BIENVENUE05 (from 100€ purchase, offers cannot be combined)
Plantes
Our Best-Selling Brands
In Vitro Plants

Foams & Floats

Easy plants

Fast growing plant

Lawn plant

Foreground plant

Background plant
See all our brands for aquariums and ponds
Brands

Our Best-Selling Brands

See all our brands for aquariums and ponds
Promotion

MAXSPECT - Denitrification Catalyst - 5 pieces - For Anaerobic Block

MAXSPECT - Denitrification Catalyst - 5 pieces - For Anaerobic Block

Quantity

€8.99

1 By purchasing this product
you will receive a voucher of €0.10

Tax included

In stock (3)

Maxspect 's denitrification catalysts are replacement parts for the Anaerobic Block product from Maxspect . This product should be changed every two months .

Order it before 15:00 tomorrow
and receive it on Tuesday, March 17, 2026 with Chronopost - Livraison express à domicile

You may also like

MAXSPECT - Nano-Tech Anaerobic-Block - Blocks to eliminate nitrates

MAXSPECT - Nano-Tech Anaerobic-Block - Blocks to...

(1 review)

€25.99

en réappro

Product Details

Product Details

Reference M-AC5

Frequently purchased together
MAXSPECT - Nano-Tech Clear Cube - 8 water clarifying cubes

(3 reviews)

€26.99

Maxspect 's Nano-Tech Clear Cubes are tourmaline cubes for water clarification . These cubes dissolve, dissociate and decompose the dissolved organic matter (DOM) present in the water, thus eliminating the yellowish tint from the water column thus keeping it clearer in the aquarium for a very long time.

3 en stock
MAXSPECT - Nano-Tech Bio-Sphere - 2kg - Aquarium...

(1 review)

€39.99

Nano-Tech Bio-Spheres are excellent in establishing bacterial colonies as bio-nano composite films.
They allow different species of bacteria and fungi, such as nitrifying bacteria, yeasts, phototrophic prokaryotes to grow on their large surface without decomposing them.

2 en stock
MAXSPECT - Nano-Tech Bio-Sphere - 1kg - Aquarium...

(1 review)

€24.99

Nano-Tech Bio-Spheres are excellent in establishing bacterial colonies as bio-nano composite films . They allow different species of bacteria and fungi , such as nitrifying bacteria, yeasts, phototrophic prokaryotes to grow on their large surface without decomposing them .

2 en stock
DD H2OCEAN - Aquascape Epoxy - Gray - Coral Glue

(11 reviews)

€6.99 €7.99

Epoxy Aquascape Gray by DD H2ocean is a gray two-component epoxy glue for cuttings and decorating . Specially developed by DD for use in saltwater and freshwater aquariums and other underwater applications.

-12.5%

-12.5%

12 en stock
JoesJuice 20 ml - anti aiptasia

(8 reviews)

€12.99 €13.99

JoesJuice is the safest and most effective solution for ridding your aquarium of aiptasia and majano.

-7.15%

-7.15%

23 en stock
RED SEA - NO3:PO4-X - 1000ml

(14 reviews)

€32.29 €33.99

Reduces nitrates and phosphates. Limits the appearance of harmful algae, allows the control of zooxanthellae for optimal growth and coloration of corals.

-5%

-5%

22 en stock
CLARISEA - XL paper roll for SK3000 filter - 40 meters

(5 reviews)

€16.99

XL replacement roller for CLARISEA SK3000 filter.
Length: 40 meters
Width: 10 centimeters
Felt without phosphates

12 en stock
SALIFERT magnesium test

(32 reviews)

€10.79 €11.99

This SALIFERT brand analysis kit allows you to accurately measure the magnesium level of your seawater. Allows you to take around 50 measurements.

-10%

-10%

5 en stock
Products from the same category
TETRA - CeramicRing - 800ml - Ceramic noodles for filtration
€5.99

Ceramic noodles for your aquarium! It is a mechanically acting filtration material. The ceramic noodles remove large particles and direct the flow of water in all directions, ensuring an even flow of water through the filter. These ceramic noodles are suitable for all external filters.

On sale!

3 en stock
AQUA NOVA - Filtration ceramic - 1 kilo

(1 review)

€5.99

Aqua Nova ceramic rings are a high performance filtration material that effectively removes drug residues, chlorine, certain odors as well as contaminants that are produced by the metabolism of organic substances.

5 en stock
JBL - Cermec 1l - Bacterial support
€7.99

Small ceramic filter tubes.
Proven ceramic material for mechanical filtration.
For freshwater and saltwater aquariums.
As a prefiltration mass, they protect the filter material from too rapid clogging.
Net included for placement in your filter

On sale!

3 en stock
EHEIM - MECH - 1l - Mechanical Filter Mass
€9.99 €10.99

Eheim 's MECH is a pre-filter material made from hollow ceramic rings to trap large dirt particles. Also bacterial colonization support, very useful for biological filtration. For freshwater and saltwater aquariums.

-€1.00

-€1.00

2 en stock
EHEIM - MECH - 2l - Mechanical Filter Mass

(2 reviews)

€15.99 €16.99

Eheim 's MECH is a pre-filter material made from hollow ceramic rings to trap large dirt particles. Also bacterial colonization support, very useful for biological filtration. For freshwater and saltwater aquariums.

-€1.00

-€1.00

2 en stock
EHEIM - MECH - 5l - Mechanical Filter Mass
€34.99 €40.99

Eheim 's MECH is a pre-filter material made from hollow ceramic rings to trap large dirt particles . Also bacterial colonization support , very useful for biological filtration . For freshwater and saltwater aquariums.

-€6.00

-€6.00

1 en stock
MAXSPECT - Nano-Tech Bio-Sphere - 1kg - Aquarium...

(1 review)

€24.99

Nano-Tech Bio-Spheres are excellent in establishing bacterial colonies as bio-nano composite films . They allow different species of bacteria and fungi , such as nitrifying bacteria, yeasts, phototrophic prokaryotes to grow on their large surface without decomposing them .

2 en stock
MAXSPECT - Nano-Tech Bio-Sphere - 2kg - Aquarium...

(1 review)

€39.99

Nano-Tech Bio-Spheres are excellent in establishing bacterial colonies as bio-nano composite films.
They allow different species of bacteria and fungi, such as nitrifying bacteria, yeasts, phototrophic prokaryotes to grow on their large surface without decomposing them.

2 en stock