- We do not only offer goods but also our service with 10 years experience.
- We are here to help you with technical solution and your own pond realization.
- Our work and references stand for us.
- Do call us before your order and we will guide you through.
- We give two years guarantee for all goods bought in our e-shop.
- Fill free to come and see the products we used in our own ponds.

- We hold the first position on market in Slovakia approved by Slovak Association of Electronic Commerce - SAEC.
- This certificate from Slovak Association of Electronic Commerce (SAEC) guarantees that everything from the very beginning till the last step will come off the best.
- Every reclaim is take seriously.
- We respect the laws about personal data, that is also stated in the Office for Personal Data in Slovakia, with the given registered number - 201416903.

All customers of our Company NUMA s.r.o. are given extra points at the end of their purchase, those points can be applied at their future shopping and get discount.

- Free Express Shipping over 3.000 € via FedEx or GLS over European Union.
- Each of our products has an information whether it is or not currently on stock or what is the time of being on stock, so you have got a chance to check the time of delivery.

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Anti algae copper electrolyzer

The copper electrolyzer 120 purifies water using electrolysis (passage of an electric current through a liquid). Water flows through the body of the device, where a copper electrode is inserted, from which a small amount of copper is released. The released ions (Cu2+) disrupt the cell structure of the algae in the pond and eliminate viruses and other simple organisms. Damage to the cell structure will cause the algae to be unable to receive nutrients, preventing them from multiplying. Keeping dissolved…
399,00 € Detail
VELDA IT 15 Replacement anode

Replacement anode for the device Velda I-Tronic IT
from 48,00 € Detail