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PATENT

WATER PURIFYING METHOD APPARATUS

US6730226B2 

A method for purifying water including nitrification by aerobic bacteria and denitrification by anaerobic bacteria in an apparatus by providing an elongated, closed water channel.

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WATER PURIFICATION METHOD AND FILTRATION BLOCK

US11457616B2  

A water purification system for an ornamental aquarium is easily assembled as either a canister or a hang-on-back type model with a water tank or aquarium without compromising with an aesthetic appearance and low noise. The filtration element includes filtration blocks connectible in series for function and can be disassembled into a plurality of blocks that are reassembled to form the canister model and the hang-on-back model with a secure positioning feature. 

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VERSATILE PLACEMENT

Swim unit and pump are designed to be used as a CANISTER or FLOOR MODEL or SEPARATE LOCATION MODEL (floor pump + filter) + aquarium. Hanging or Standing on the Floor. 

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