Aquarium Supplies

No one wants to see fish suddenly swimming without energy, cloudy water just a few days after a water change, or aquarium plants slowly losing their color. A good-looking aquarium is not only about choosing the right fish, but also about stable water, proper filtration and regular care. That is why products in the Aquarium Supplies category should be chosen according to what your aquarium actually needs.

In this category you will find fish food, filter media, water treatment products, equipment and accessories for freshwater aquariums and aquarium plants. For everyday care, Tetra is a popular option thanks to its fish food and water care products that help keep a suitable environment for fish.

Bestsellers

Sera Bio Nitrivec 500ml
in stock (>30 pcs)
J1-03760
 
€35,03
(€28,95 excl. VAT)
Sera Aquatan 500ml
in stock (>30 pcs)
J1-03060
 
€17,49
(€14,45 excl. VAT)
Sera Mycopur 50 ml
in stock (>30 pcs)
J1-02230
 
€7,07
(€5,84 excl. VAT)

Product sorting

208 items total

Price

1110
0.0412201151110

Brands

208 items to display

List of products

J1 03760 large
Expedice po 10.7.2026 (inventura)
Sera Bio Nitrivec 500ml
in stock (>30 pcs)
€28,95 excl. VAT
€35,03
J1-03760
J1 03060 large
Expedice po 10.7.2026 (inventura)
Sera Aquatan 500ml
in stock (>30 pcs)
€14,45 excl. VAT
€17,49
J1-03060
J1 02230 large
Expedice po 10.7.2026 (inventura)
Sera Mycopur 50 ml
in stock (>30 pcs)
€5,84 excl. VAT
€7,07
J1-02230
A1 793552 large
Expedice po 10.7.2026 (inventura)
€11,74 excl. VAT
€14,20
A1-793552
A1 771482 large
Expedice po 10.7.2026 (inventura)
€8,56 excl. VAT
€10,36
A1-771482
A1 771475 large
Expedice po 10.7.2026 (inventura)
€15,13 excl. VAT
€18,31
A1-771475
A1 770492 large
Expedice po 10.7.2026 (inventura)
€4,71 excl. VAT
€5,70
A1-770492
A1 770454 large
Expedice po 10.7.2026 (inventura)
€8,11 excl. VAT
€9,81
A1-770454
A1 770416 large
Expedice po 10.7.2026 (inventura)
€4,26 excl. VAT
€5,15
A1-770416
A1 770386 large
Expedice po 10.7.2026 (inventura)
€7,66 excl. VAT
€9,27
A1-770386
A1 769946 large
Expedice po 10.7.2026 (inventura)
€73,38 excl. VAT
€82,18
A1-769946
A1 769939 large
Expedice po 10.7.2026 (inventura)
Krmivo Tetra Min 10l
in stock (>30 pcs)
€70,93 excl. VAT
€79,44
A1-769939
A1 769922 large
Expedice po 10.7.2026 (inventura)
Krmivo Tetra Rubin 10l
in stock (>30 pcs)
€75,82 excl. VAT
€84,92
A1-769922
A1 769915 large
Expedice po 10.7.2026 (inventura)
Krmivo Tetra Phyll 10l
in stock (>30 pcs)
€73,38 excl. VAT
€82,18
A1-769915
A1 767959 large
Expedice po 10.7.2026 (inventura)
€8,56 excl. VAT
€10,36
A1-767959
A1 767423 large
Expedice po 10.7.2026 (inventura)
Krmivo Tetra Weekend 20ks
in stock (>30 pcs)
€7,29 excl. VAT
€8,17
A1-767423
A1 767409 large
Expedice po 10.7.2026 (inventura)
€14,63 excl. VAT
€16,39
A1-767409
A1 767393 large
Expedice po 10.7.2026 (inventura)
Krmivo Tetra Menu 250ml
in stock (12 pcs)
€10,23 excl. VAT
€11,46
A1-767393
A1 767386 large
Expedice po 10.7.2026 (inventura)
Krmivo Tetra Menu 100ml
in stock (>30 pcs)
€5,09 excl. VAT
€5,70
A1-767386
A1 767362 large
Expedice po 10.7.2026 (inventura)
Krmivo Tetra Rubin 250ml
in stock (>30 pcs)
€8,28 excl. VAT
€9,27
A1-767362
A1 766402 large
Expedice po 10.7.2026 (inventura)
Krmivo Tetra Min sáček 12g
in stock (>30 pcs)
€1,56 excl. VAT
€1,75
A1-766402
A1 766396 large
Expedice po 10.7.2026 (inventura)
€1,56 excl. VAT
€1,75
A1-766396
A1 766389 large
Expedice po 10.7.2026 (inventura)
€1,42 excl. VAT
€1,59
A1-766389
A1 765825 large
Expedice po 10.7.2026 (inventura)
Krmivo Tetra Weekend 10ks
in stock (>30 pcs)
€3,87 excl. VAT
€4,33
A1-765825
A1 764804 large
Expedice po 10.7.2026 (inventura)
Krmivo Tetra Min Baby 66ml
in stock (>30 pcs)
€5,82 excl. VAT
€6,52
A1-764804
A1 764798 large
Expedice po 10.7.2026 (inventura)
€5,09 excl. VAT
€5,70
A1-764798
A1 762749 large
Expedice po 10.7.2026 (inventura)
€8,56 excl. VAT
€10,36
A1-762749
A1 762732 large
Expedice po 10.7.2026 (inventura)
€4,49 excl. VAT
€5,43
A1-762732
A1 762725 large
Expedice po 10.7.2026 (inventura)
Krmivo Tetra Min 1l
in stock (>30 pcs)
€15,13 excl. VAT
€16,94
A1-762725
A1 762718 large
Expedice po 10.7.2026 (inventura)
Krmivo Tetra Min 250ml
in stock (>30 pcs)
€7,79 excl. VAT
€8,72
A1-762718
A1 762701 large
Expedice po 10.7.2026 (inventura)
Krmivo Tetra Min 100ml
in stock (>30 pcs)
€3,87 excl. VAT
€4,33
A1-762701
A1 761070 large
Expedice po 10.7.2026 (inventura)
€2,88 excl. VAT
€3,23
A1-761070
A1 760790 large
Expedice po 10.7.2026 (inventura)
Krmivo Tetra Pond Flakes 1l
in stock (>30 pcs)
€6,31 excl. VAT
€7,07
A1-760790
A1 760172 large
Expedice po 10.7.2026 (inventura)
€7,29 excl. VAT
€8,17
A1-760172
A1 759121 large
Expedice po 10.7.2026 (inventura)
€28,34 excl. VAT
€31,74
A1-759121
A1 758858 large
Expedice po 10.7.2026 (inventura)
Krmivo Tetra Pond Sticks 10l
The average product rating is 5,0 out of 5 stars.
in stock (>30 pcs)
€26,88 excl. VAT
€30,10
A1-758858

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208 items total
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Why buy pet products at Grenze Markt?

  • Over 5,000 products for many types of pets

    Over 5,000 products for many types of pets

    From dogs and cats to birds, fish, reptiles and small pets - including food, toys, accessories, cages, habitats and hygiene products.

  • Popular pet brands trusted across Europe

    Popular pet brands trusted across Europe

    Trixie, Dog Fantasy, Ontario, Tetra, Magic Cat, Beaphar, Vitakraft and many more brands for everyday pet care.

  • Everything for different care needs

    Everything for different care needs

    From food, treats and walking accessories to products for aquariums, terrariums, bird cages and small pets.

  • Good prices with delivery across Czechia and the EU

    Good prices with delivery across Czechia and the EU

    Shop conveniently with attractive deals and delivery to your home or a pickup point.

An aquarium should be enjoyable every time you look at it

Clear water, active fish, healthy plants and stable equipment are the basis of an aquarium that is easier to care for without unnecessary problems. The right Aquarium Supplies help you respond to the tank’s needs early, before cloudy water or algae become visible.

  • Stable water: Filters, filter media and water treatment products help maintain a suitable environment for fish.
  • Healthy fish: Food and care chosen by fish type support regular feeding, good condition and less strain on the water.
  • Aquarium plants: Plants, substrates and decorations create a more natural environment and give fish places to hide.

If you are looking for reliable aquarium equipment, Aquael offers practical options for filtration and everyday tank operation. For planted aquariums, it is also worth considering Rataj, especially when choosing aquarium plants and their care.

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