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a Hydra 50 £40
used but in good condition.
The HYDRA is no normal internal filter. Using Hydro-Pure technology that is capable of enhancing the natural filtration processes in aquariums by as much as 50% when compared to conventional systems. With the help of the Cata-Pure Cartridge the traditional nitrogen cycle is sped up as several stages are by passed andunnecessary.
Basically, ammonia in the water (NH3,NH4) – goes straight to Nitrogen ( N2) in one process. This results in almost instant maturity of tanks, and keeping of Ammonia, Nitrite and Nitrates at very low levels ongoing.
Hydra internal power filter.
Effectively controls nitrite and nitrate by eliminating ammonia with groundbreaking Hydro-Pure technology.
Ultra High Efficiency.
Stable Water Quality.
Chemical Free process.
Modern filter design to maximize space of filtration.
Simple setup and operation
Easy to pull apart and clean.
Very quiet motor operation and reliability.
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