BRITA MAXTRA+ replacement water filter cartridges, compatible with all BRITA jugs -reduce chlorine, limescale and impurities for great taste - 6 Count (Pack of 1)

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So, no more waiting for the water to make its way through to a jug – just fill it directly from the tap, screw the top back on, and away you go.

Although this tank wouldn't be suitable for frail users, it's ideal if your household uses a lot of filtered water. From warding off inflammation to creating a hostile environment for cancer cells, the claims are bold – and to date, not backed up by robust science. Most water jugs come in shades of white and blue, but the Best Water Penguin comes in five different shades, including orange and aubergine, to suit your kitchen. The filter has a unique 'traffic light' indicator, which is removable so you can put the whole jug in the dishwasher, and it should last around five years. The British-made Phox Wave is the latest water filter jug from this young, inventive, sustainable company, based near Glasgow.We especially liked the unique filter indicator – while most are electronic, meaning the batteries will eventually run out, this has an analogue indicator triggered by opening the lid. After filtering, the taste of the water was still a little chalky from limescale, but had lost any metallic flavours and was odourless.

Using Argos own-brand filters, we couldn't really taste any difference between filtered water and tap, but there's always the option of choosing slightly pricier BRITA filters, which result in a marked taste difference, and those also have the advantage of being recyclable. The neat screw-top housing holds the small Fast Disk carbon filter, and, in the lid, there's a hygienic closure that snaps shut firmly, plus an indicator to remind you to change the filter every month (or 120 litres). The lid of this smart-looking jug is available in muted tones of blue, grey or green, the body is made of good-quality, sturdy materials, and it's simple to use. Filtering takes an hour – so this isn't the best choice for anyone who wants their filtered water in a hurry – and the bamboo lasts a month, with a quick refresh in boiling water required after a fortnight. Then, as you fill it with tap water through the flap in the lid, the patented PureVis™ UV-C LED blue light illuminates to reduce bacteria in the water.

litres of filtered water and a nice large reservoir (meaning you won't have to fill it up too often), this model is still slim enough to fit into a fridge door. The parts are easy to remove and there's a handy tab to make sure the filter tank doesn't come out with the lid when you remove it. Whether that's strictly necessary is up for debate, as dissolved solids can include naturally occurring minerals such as calcium.