Welcome

Here you can find a wide range of professional aquarium accessories for marine water, fresh water and ponds. We offer all you need for a safe running of your aquarium. Create an environment that is appropriate for your species. Take a look at our high quality products and aquarium equipment. For the well-being of your species we offer professional filter technology, pumps, dosing pumps, measure and control technology, fish food, animal foodstuff, vitamines, water additives, marine salt and much more.  

GroTech GmbH

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Enjoy your visit!


Fishes and other water inhabitants who live in a closed ecosystem need the right conditions in order to grow healthy. The need to use high quality aquarium equipment and professional technology is outstanding to get healthy fishes, corals and plants. The ecosystem of an aquarium is composed of the water quality, different water parameters, the right conditions of temperature and light and many other factors. Closed ecosystems like aquariums and ponds need reliable equipment like filters, pumps, care products and water additives.


New products
Bestseller
CoraFix SuperFast purple 240g

CoraFix SuperFast purple 240g

24,95 € *
103,96 € per 1 kg
Coral rock 20 - 30cm  per kg

Coral rock 20 - 30cm per kg

7,00 € *
7,00 € per 1 kg
Corall A,B,C + VitAmino M 500ml Bundle

Corall A,B,C + VitAmino M 500ml Bundle

55,00 € *
27,50 € per 1 l
CoraFix SuperFast, grey 240g

CoraFix SuperFast, grey 240g

24,95 € *
103,96 € per 1 kg
NutriMarine N 500ml

NutriMarine N 500ml

11,45 € *
22,90 € per 1 l
Coral rock plating 10 - 20cm per kg

Coral rock plating 10 - 20cm per kg

7,00 € *
7,00 € per 1 kg
Coral rock plating 30 - 50cm per kg

Coral rock plating 30 - 50cm per kg

7,00 € *
7,00 € per 1 kg
CorafixStick Quick 115g

CorafixStick Quick 115g

13,50 € *
117,39 € per 1 kg
Coral rock plating 20 - 30cm per kg

Coral rock plating 20 - 30cm per kg

7,00 € *
7,00 € per 1 kg
PlanktoMarine P 500ml

PlanktoMarine P 500ml

22,50 € *
45,00 € per 1 l