The Cata-Pure Cartridge can last 9 -12 months depending on the amount of fish and is functional in marine environments. Fits all model Hydra Internal Filters, Hydra Filtron & Inline Stream units which take the square cartridge.
*HYDRA 30 NOTE: For the rectangular cartridge for the Hydra 30, click here. Please check your cartridge before purchase. Some have the square, some have the rectangular.
| Model | Number of Cata-Pure |
| Hydra Filtron 1000 | 2 |
| Hydra Filtron 1500 | 3 |
| Hydra Filtron 1800 | 4 |
| Hydra 20 | 1 |
| Hydra 30* | 1 (or 1 rectangular*) |
| Hydra 40 | 2 |
| Hydra 50 | 2 |
.*For the rectangular cartridge for the Hydra 30, click here.
About Hydro-Pure Technology
A team of scientists from Qian Hu and a local research company have scored a first by jointly developing the revolutionary Hydro-Pure technology that is capable of enhancing the natural filtration process in aquariums by as much as a few hundred percent when compared to conventional systems.
This energy efficient Hydro-Pure Technology is eco-friendly and truly the first of its kind in the world. It can also be applied to other areas in the ornamental fish industry as it promotes a natural, chemical free environment for all aquatic creatures.
The process not only provides a more efficient pathway for the degradation of aquarium waste, it also makes sure that the by-products are safe and the energy consumption is kept to a minimum.
The technique aims at the use of very low electric current to produce “OH-” reactive ions which quickly break up bio-loads into nitrogen gas, water and smaller organic and inorganic ions through oxidation. The process involved is not to be compared to other electrolysis techniques which use very high energy consumption; it is much less intrusive, simple and low cost.
The trick is in the specially formulated medium which catalyses the whole degradation process without the need of high current.
With Hydro-Pure Technology, coupled with natural bio-filtration, the water in the aquarium will be more stable and also more resistant to nutrient surges (eg Ammonia) which are detrimental to fish.
The effect of the technology is shown in improved water quality, healthier fish with more vibrant colour, faster growth as well as enhanced maturity.
This technology is currently the most innovative, environmentally friendly system available in the aquarium industry.
Fast Shipping and Professional Packing
Our long-standing relationships with UPS FedEx DHL and other international carriers allows us to offer an array of shipping services. Our warehouse staff are highly trained and will pack your products in accordance with our exact and precise specifications. Your goods are thoroughly checked and securely secured prior to shipment. We ship to thousands customers every day across multiple countries. This is a sign of our determination to be the largest online retailer on earth. Both Europe as well as the USA have distribution and warehouse centres.
Note: Orders containing multiple items will have a different processing period for each item.
Prior to shipping We will inspect thoroughly the items you have ordered. The majority of orders are shipped within 48-hours. The expected delivery time is between 3 and 7 days.
Returns
The stock is constantly changing and not fully managed by us because of the involvement of many parties including the factory and our warehouse. The stock levels may fluctuate at any time. You may not receive your order after it has been placed.
The period of time is 30 days. However, if the 30 days have elapsed since you purchased your product, we are unable to give you a refund or exchange.
You are able to return a product in the event that it is not used and still in the same condition as when you received it. It must also be returned in the original packaging.
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