Pure Quad 5l – pH-neutral ceramic filter cartridge
Neutral pH biological filter media in a 5 L pack, with nitrifying bacteria included. Intended for planted…
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Find a productProduct description
This 5 L ceramic biological media is designed for aquarists who want filter media that does not shift water pH. Its manufacturer states that it keeps pH around 6 to 7 and has little effect on water chemistry, which suits tanks where stable parameters matter more than a hardening or alkaline effect.
Why it matters
- The manufacturer reports that the media has minimal influence on pH: it does not raise pH in slightly acidic water or lower it in slightly alkaline water.
- The structure has pores of varied sizes, which the manufacturer links to settlement and growth of different groups of bacteria that break down waste.
- The specific surface area is given as 3600 m²/l. The manufacturer cites testing by Quantachrome Corporation as the basis for this figure.
- A separate sachet of nitrifying bacteria is included, to be added between the ceramic pieces in the filter to speed up the initial start.
Specifications
- Package size: 5 L
- Weight: 3.8 kg
- Manufacturer's specific surface area: 3600 m²/l
- Model symbol: PREMIUM NEO MEDIA - PURE M QUAD 5L
- EAN: 8809702871992
What it works with
The product is intended for planted, shrimp, Malawi, Tanganyika and marine aquariums, including tanks with SPS corals, according to the manufacturer. It is placed in the filter as biological media, so it suits any system where a neutral pH effect and a large bacterial colonisation surface are needed.
Technical specification
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Frequently asked questions
According to the manufacturer, this is a neutral filter media with little effect on pH. It keeps water at around pH 6–7 and does not raise the pH of slightly acidic water or lower the pH of slightly alkaline water.
The manufacturer lists planted tanks, shrimp tanks, Malawi, Tanganyika, and marine tanks with SPS corals as suitable.
Yes, nitrifying bacteria come in a separate packet inside the box. They look like small black balls and are added between the ceramic media in the filter.
The 5 l pack weighs 3.8 kg. The manufacturer states that 1 litre of this media equals 10 litres of other ceramic media, and reports a surface area of 3600 m²/l, based on tests by the Quantachrome laboratory.
This listing is for the PURE variant, which is pH-neutral. The manufacturer also makes SOFT (softens water) and HARD (hardens water), which are offered separately.
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