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Tap water is not a natural environment for fish. However, providing them with safe living conditions is very simple. Thanks to special filters and membranes available on the website Aquario.pl, reverse osmosis in the aquarium will proceed without obstacles.

Filters

Active filters

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TDS Meter Pen

A small and handy TDS Pen meter, which allows you to quickly check water contamination in any situation. Additionally equipped with a temperature sensor and a reading lock function.

PLN69.99 PLN61.59
Lowest price: PLN59.49 +4%
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TDS + EC Meter - Conductivity Meter and TDS Pen

A small and handy TDS meter and EC conductivity meter, which allows you to quickly check water contamination in any situation. Additionally equipped with a temperature sensor and a reading hold function.

PLN58.99 PLN51.91
Lowest price: PLN50.14 +4%
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AutoAqua Inline TDS S3 - Triple inline TDS

TDS, or electronic water quality meter, is mainly used in RO/DI filtration systems. It guarantees very accurate readings and constant monitoring of water quality. The externally placed probe can be connected to the tubing at any point (filtration stage). The probe's titanium construction ensures resistance to corrosion and long-lasting performance.

PLN219.99 PLN193.59
Lowest price: PLN186.99 +4%
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Chihiros TDS Meter - TDS meter

Chihiros TDS is a small and handy meter that allows us to quickly measure water contamination at any time. Additionally, it is equipped with a temperature sensor.

PLN36.99 PLN32.55
Lowest price: PLN31.44 +4%
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Teflon tape 15m x 19mm x 0.2mm

Teflon tape is used wherever there is a need to tightly screw two elements together. (e.g. precision valve - nipple - solenoid valve or connector - RO filter)

Dimensions: 15m x 19mm x 0.2mm

PLN8.99 PLN7.91
Lowest price: PLN7.64 +4%
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Teflon tape 15m x 12mm x 0.2mm

Teflon tape is used wherever there is a need to tightly screw two elements together. (e.g. precision valve - nipple - solenoid valve or connector - RO filter)

Dimensions: 15m x 12mm x 0.2 mm

PLN9.99 PLN8.79
Lowest price: PLN8.49 +4%
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Membrane 75GPD VONTRON

High-quality osmotic membrane from VONTRON with a nominal capacity of 75 GPD (over 280 liters per day).

PLN94.49 PLN83.15
Lowest price: PLN80.32 +4%
  • Bestseller
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RO 6mm hose (white)

RO installation tubing with an external diameter of 6mm. Made of polyethylene, the tubing is also used for connecting water dispensers and ice makers in refrigerators.

PLN2.99 PLN2.63
Lowest price: PLN2.54 +4%
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Complete electric pump for osmosis

In the case of low water pressure in the plumbing system, this pump supports the osmotic membrane in reverse osmosis systems. Ideal for individuals who, due to low water pressure, are unable to achieve satisfactory performance of the entire RO system.

PLN400.00 PLN352.00
Lowest price: PLN340.00 +4%

Last items in stock

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UST-M Linear bioceramic filter (1/4 thread)

A linear bioceramic insert is granules of special ceramic clay exposed to irradiation with far-infrared (FIR) light rays (also known as "light of life"), used in medicine for light therapies.

PLN64.49 PLN56.75
Lowest price: PLN54.82 +4%
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UST-M Linear bioceramic filter (1/4 plug)

The linear bioceramic insert is made of granules of a special ceramic clay subjected to infrared FIR (Far Infra Red - also known as "light of life") radiation, used in medicine for light therapy.

PLN64.99 PLN57.19
Lowest price: PLN55.24 +4%

Last items in stock

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Osmotic membrane housing 50-125GPD

Housing for osmotic membrane. The housing can accommodate any of the typical membranes of any capacity, from any manufacturer.

PLN29.99 PLN26.39
Lowest price: PLN25.49 +4%
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Double handle 2 inches

Double bracket 2 x 2 inches. Used m.in. in reverse osmosis systems and other water filters. It enables the connection of 2 inch standard inline cartridges - these are mainly carbon filters and water mineralizers.

PLN4.99 PLN4.39
Lowest price: PLN4.24 +4%

Last items in stock

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Flow restrictor (effluent) 350 cc/min

Flow restrictor (flow restrictor / restrictor). Used in reverse osmosis systems, on the dirty water outflow from the membrane to the drain. Connection via so-called "quick connectors".

PLN21.49 PLN18.91
Lowest price: PLN18.26 +4%
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Single handle 2.5 inches

Single bracket for mounting a 2.5-inch diameter membrane housing. Used m.in. in reverse osmosis systems and other water filters.

PLN7.49 PLN6.59
Lowest price: PLN6.37 +3%
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UST-M Linear softening filter (1/4 thread)

A linear water softener using ion exchange. Magnesium and calcium ions are exchanged for harmless sodium ions. It is capable of reducing the overall hardness of water even to a level of 0.

PLN21.99 PLN19.35
Lowest price: PLN18.69 +4%
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UST-M Linear softening filter (1/4 plug)

Liniowy filtr zmiekczający wodę za pomocą wymiany jonowej. Jony magnezu i wapnia są wymieniane na nieszkodliwe jony sodu. Jest w stanie obniżyć twardość ogólną wody nawet do poziomu 0.

PLN20.98 PLN18.47
Lowest price: PLN17.84 +4%
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UST-M Linear mineralizing filter (1/4 plug)

A linear mineralizing filter, designed for use in reverse osmosis filtration systems. Its purpose is to enrich the filtered water with elements necessary for the proper functioning of the human body such as: calcium, sodium, potassium, magnesium, and chloride compounds.

PLN18.49 PLN16.27
Lowest price: PLN15.71 +4%
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UST-M Linear carbon filter (1/4 plug)

The granular activated carbon insert L-GAC from UST-M has special absorptive properties for volatile organic compounds, improving the taste and odor qualities of water. It is part of Reverse Osmosis Systems. The insert is entirely produced in Poland. The high quality of the filtration bed is confirmed by the PZH certificate.

PLN17.99 PLN15.84
Lowest price: PLN15.30 +4%
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Sewage drain clamp

The drain clamp for sewage allows for a quick and easy connection of the dirty water outlet from the RO filter.

PLN8.99 PLN7.91
Lowest price: PLN7.64 +4%
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UST-M Linear polypropylene filter (1/4 plug)

A linear mechanical filter made from polypropylene foam, which traps contaminants such as sand, rust, silt, and other sediments up to 10 microns in size.

PLN17.49 PLN15.39
Lowest price: PLN14.87 +3%
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Y-connector RO for 6mm hose

A Y-shaped tee designed for mounting on a hose with an outer diameter of 6mm for use in reverse osmosis filtration system installations.

PLN9.99 PLN8.79
Lowest price: PLN6.80 +29%
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Straight quick connector with 1/4 inch thread

This is a basic mounting connector, used in virtually every reverse osmosis filter. The 1/4 inch thread is found m.in. in linear filters (inserts) and in osmotic filter housings.

PLN4.49 PLN3.95
Lowest price: PLN3.82 +3%
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90-degree quick coupler for 6mm hose (plug - plug)

A connector most commonly used to route a hose in places where there is a risk of bending (e.g., a corner of a room), as well as to connect "-Q" standard inline filters terminated with a plug.

PLN8.99 PLN7.91
Lowest price: PLN7.64 +4%

Last items in stock

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UST-M Linear mineralizing filter (1/4 thread)

A linear mineralizing filter, designed for use in reverse osmosis filtration systems. Its purpose is to enrich the filtered water with elements necessary for the proper functioning of the human body such as: calcium, sodium, potassium, magnesium, and chloride compounds.

PLN18.49 PLN16.27
Lowest price: PLN15.71 +4%
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90-degree quick coupling with 1/4 inch thread

The fitting is useful when you want to lead a hose at a 90-degree angle from, for example, an inline filter. Used in practically every reverse osmosis filter. The 1/4 inch thread is found, among others, in linear filters (cartridges) and in the bodies of osmotic filters.

PLN9.50 PLN8.36
Lowest price: PLN8.07 +4%
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90 degree quick release coupling with plug

A fitting useful when you want to lead the bilge out at a 90 degree angle from, for example, a 10 inch body. Used in virtually every reverse osmosis filter.

PLN5.99 PLN5.27
Lowest price: PLN5.09 +4%
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90-degree quick coupler with 1/8 inch thread

A connector is useful when we want to lead a hose at a 90-degree angle from, for example, an inline filter. It is used in practically every reverse osmosis filter. The 1/8 inch thread is found m.in. in membrane housings.

PLN5.49 PLN4.83
Lowest price: PLN4.66 +4%
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Flow restrictor (sewage) 420 cc/min

Flow restrictor (flow restrictor / restrictor). Used in reverse osmosis systems, on the dirty water outflow from the membrane to the drain. Connection via so-called "quick connectors".

PLN19.99 PLN17.59
Lowest price: PLN16.99 +4%

Last items in stock

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UST-M 10-inch Polypropylene Insert (1 micron)

Standard sediment insert made of polypropylene nonwoven, shaped to increase the filter density towards the core. It captures all kinds of mechanical impurities such as sand, silt, rust, etc.

PLN9.99 PLN8.79
Lowest price: PLN8.49 +4%
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Flow limiter (effluent) 500/550 cc/min

Flow restrictor (flow restrictor / restrictor). Used in reverse osmosis systems, on the dirty water outflow from the membrane to the drain. Connection via so-called "quick connectors".

PLN21.49 PLN18.91
Lowest price: PLN18.26 +4%
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RO3 75GPD aquarium filter

The simplest aquarium osmosis equipped with two prefilters (carbon and sediment). A modern system by UST-M, ensuring clean, soft water free from nitrates and nitrites, chlorine, and many other contaminants.

PLN179.99 PLN158.39
Lowest price: PLN152.99 +4%
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T-fitting RO for 6mm hose

A T-shaped tee designed for mounting on a hose with an outer diameter of 6mm for use in reverse osmosis filtration system installations.

PLN5.49 PLN4.83
Lowest price: PLN4.66 +4%
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1/2 inch female thread reducer fitting to 6 mm hose

A reducing connector 1/2 inch female thread to 6 mm hose allows, for example, to connect a filter to a water intake just for the duration of replacement. The 1/2 inch thread fits most shower hose connections.

PLN19.99 PLN17.59
Lowest price: PLN16.99 +4%

Last items in stock

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6mm hose ball valve

Ball valve for a 6 mm hose. Connection type: 6 mm quick connectors. Excellent as an additional protection in installations based on 6mm pipes. Used in aquarium reverse osmosis systems to prevent the membrane from drying out, for example, between weekly water changes.

PLN24.99 PLN21.99
Lowest price: PLN21.24 +4%
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75GPD AquaFilter Membrane

High-quality osmotic membrane from the American company Aquafilter Inc. The TFC-75 membrane has a nominal capacity of 75 GPD (over 280 liters per day).

PLN105.99 PLN93.27
Lowest price: PLN90.09 +4%
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1/4" female threaded ball valve for 6mm hose

Valve perfectly suitable for connecting an RO filter to a water source. Equipped on one side with a 1/4 inch male thread, and on the other with a compression fitting for a 6mm hose.

PLN27.99 PLN24.64
Lowest price: PLN23.80 +4%
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6mm non-return valve RO

Check valve for water treatment systems for a 6mm pipe. Commonly used at the output of purified water from osmotic membrane. It protects the membrane from uncontrolled water supply from the faucet.

PLN11.00 PLN9.68
Lowest price: PLN9.35 +4%
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Technical Vaseline 60ml

High-quality non-acidic technical vaseline intended for use in aquaristics, including for lubricating seals in filter housings or O-rings of the osmotic membrane.

PLN6.49 PLN5.72
Lowest price: PLN5.52 +4%
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AutoAqua Inline TDS S1 - Inline TDS 1 sensor

TDS, or electronic water quality meter, is mainly used in RO/DI filtration systems. It guarantees very accurate readings and constant monitoring of water quality. The externally placed probe can be connected to the tubing at any point (filtration stage). The probe's titanium construction ensures resistance to corrosion and long-lasting performance.

PLN139.99 PLN123.19
Lowest price: PLN118.99 +4%

Vypredané

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AutoAqua Inline TDS S2 - Dual inline TDS

TDS, or electronic water quality meter, is mainly used in RO/DI filtration systems. It guarantees very accurate readings and constant monitoring of water quality. The externally placed probe can be connected to the tubing at any point (filtration stage). The probe's titanium construction ensures resistance to corrosion and long-lasting performance.

PLN199.99 PLN175.99
Lowest price: PLN169.99 +4%

Vypredané

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Double 2.5-inch bracket

Dual holder 2.5 x 2.5 inches. Used m.in. in reverse osmosis systems and other water filters. It allows for the connection of standard 2.5-inch linear cartridges - these are mainly carbon filters and water remineralizers.

PLN4.99 PLN4.39
Lowest price: PLN4.24 +4%

Vypredané

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RO hose 6mm (blue)

Tubing for RO installation with an outer diameter of 6mm. Made of polyethylene, the tubing is also used for connecting water dispensers and ice makers in refrigerators.

PLN1.99 PLN1.75
Lowest price: PLN1.69 +4%

Vypredané

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Double handle RO 2.5 inch

Double handle 2 x 2.5 inches. Used m.in. in reverse osmosis systems and other water filters. It allows for the connection of thick 2.5-inch standard linear cartridges and membranes.

PLN4.99 PLN4.39
Lowest price: PLN4.24 +4%

Vypredané

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UST-M Polypropylene cartridge 10 inches (50 microns)

Standard sediment filter made of polypropylene non-woven fabric, designed to increase the filter density towards the core. It retains all kinds of mechanical impurities such as sand, silt, rust, etc.

PLN6.99 PLN6.15
Lowest price: PLN5.94 +4%

Vypredané

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USTM string cartridge 20u

Mechanical filtration cartridge made of polypropylene cord. Available in 1, 5, 10, 20, and 50 µm micron rating. Mainly used as the first stage of filtration of aquarium water, drinking water and general water.

PLN8.00 PLN7.04
Lowest price: PLN6.80 +4%

Vypredané

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UST-M Linear demineralizing filter (1/4 plug)

A linear demineralizing filter, which, thanks to the presence of cation and anion resins, removes both positive and negative ions from the water, completely demineralizing it. Used as a final filter, it ultimately purifies the water.

PLN24.99 PLN21.99
Lowest price: PLN21.24 +4%

Vypredané

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Single handle 2 inches

Single holder for inline filters with a 2-inch diameter. Used, among others, in reverse osmosis systems and other water filters.

PLN1.99 PLN1.75
Lowest price: PLN1.69 +4%

Vypredané

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Four-way / two-way valve

Switching valve (four-way, two-way) for reverse osmosis. The connection of the tubes is made without the need for tools - push-fit. The seal is automatic, on the built-in valve o-rings (quick-connect mechanism).

PLN16.99 PLN14.95
Lowest price: PLN14.44 +4%

Vypredané

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UST-M 10-inch polypropylene insert (20 microns)

Standard sediment insert made of polypropylene nonwoven, shaped to increase the filter density towards the core. It captures all kinds of mechanical impurities such as sand, silt, rust, etc.

PLN9.99 PLN8.79
Lowest price: PLN8.49 +4%

Vypredané

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Demineralizing filter (DI)

A complete set for water demineralization, connected at the output of the reverse osmosis filter. Depending on the level of contamination of the input water, it is possible to obtain water with zero conductivity.

PLN99.99 PLN87.99
Lowest price: PLN84.99 +4%

Vypredané

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Double handle 2 x 2.5 inches

Dual bracket 2 x 2.5 inches. Used m.in. in reverse osmosis systems and other water filters. Allows the connection of the membrane housing with inline cartridges - these are mainly carbon filters and water mineralizers.

PLN3.99 PLN3.51
Lowest price: PLN3.39 +4%

Vypredané

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100GPD Membrane UST-M

The highest quality osmotic membrane for RO filters. A product of the Polish company UST-M made from materials by Filmtec, a leading manufacturer of osmotic membranes. Recommended for professional reverse osmosis systems. Very high quality of construction and water conditioning.

PLN229.99 PLN202.39
Lowest price: PLN195.49 +4%

Vypredané

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UST-M 10-inch polypropylene insert (10 microns)

Standard sediment insert made of polypropylene nonwoven, shaped to increase the filter density towards the core. It captures all kinds of mechanical impurities such as sand, silt, rust, etc.

PLN9.99 PLN8.79
Lowest price: PLN8.49 +4%

Vypredané

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75GPD membrane UST-M

The highest quality osmotic membrane for RO filters. A product of the Polish company UST-M made from materials by Filmtec, a leading manufacturer of osmotic membranes. Recommended for professional reverse osmosis systems. Very high quality of construction and water conditioning.

PLN102.99 PLN90.63
Lowest price: PLN87.54 +4%

Vypredané

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UST-M Linear carbon filter (1/4 thread)

Granular activated carbon insert, designed for RO filters, has special absorptive properties of volatile organic compounds, improving the taste and odor qualities of water.

PLN22.99 PLN20.23
Lowest price: PLN19.54 +4%

Vypredané

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  • On sale!
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UST-M Linear demineralizing filter, thread 1/4

A linear demineralizing filter, which, thanks to the presence of cation and anion resins, removes both positive and negative ions from the water, completely demineralizing it. Used as a final filter, it ultimately purifies the water.

PLN24.99 PLN21.99
Lowest price: PLN21.24 +4%

Vypredané

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UST-M 10 inch carbon block

Insert made of sintered activated carbon from coconut shell with a filtration capability up to 10 microns. Exceptionally useful in removing chlorine and its derivatives, organic compounds, and heavy metals. Eliminates bad taste and odor in water. Its advantage is the low drop in water pressure flowing through the insert.

PLN11.00 PLN9.68
Lowest price: PLN9.35 +4%

Vypredané

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UST-M 10-inch polypropylene insert (5 microns)

Standard sediment insert made of polypropylene nonwoven, shaped to increase the filter density towards the core. It captures all kinds of mechanical impurities such as sand, silt, rust, etc.

PLN9.99 PLN8.79
Lowest price: PLN8.49 +4%

Vypredané

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RO3 aquarium filter 75GPD + demi

The simplest 4-stage aquarium osmosis system ready for installation. The filter is designed for marine and freshwater aquaristics. A modern system that guarantees clean, soft water free from nitrates and nitrites, chlorine, and many other contaminants.

PLN229.99 PLN202.39
Lowest price: PLN195.49 +4%

Vypredané

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100GPD AquaFilter Membrane

High quality osmotic membrane from the American company Aquafilter Inc. TFC-100 membrane with a nominal capacity of 100 GPD (approximately 370 liters per day).

PLN137.49 PLN120.99
Lowest price: PLN116.87 +4%

Vypredané

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