BWT Mg2+ Mineral Water Jug Review

11 July 2013

Although there's probably nothing wrong with the drinking water where we live, we've always used a water filter for our straight up drinking water - so not in the kettle, or bath - just for when we're drinking water.

Recently we started using a new filter jug, which adds magnesium to create a bottled water taste to water, which is a huge amount better than the tap water taste, so is a huge win for us.

The BWT Mg2+ mineral water jug (£24.99 for the jug and one double filter) has a unique cartridge, different to the standard Brita style one, has won all sorts of awards, and been used in blind taste tests. So I decided to do the same.

I poured three glasses of water for my husband. One from the tap, one from our regular filter and one from the BWT filter. He immediately identified the tap water by the metalic - not pleasant - taste. He had to take a few sips between our regular filtered water and the BWT one, but in the end he said the water in one - the BWT water - felt smoother, and softer.

Since our taste test, we have also both said that sometimes drinking water leaves you with a bit of a dry mouth, but we don't get the same from the BWT filter, which we guessed means it's filtering some kind of chemicals.

The jug’s manufacturers say the key to its success lies in its innovative filter technology which ‘enriches’ tap water with additional magnesium, providing an average of 25mg per litre - and helping it achieve as much as 40 mg in hard water areas.

From the marketing blurb, "As well as enhancing taste, magnesium helps maintain normal muscle and nerve function, keeps heart rhythm steady, supports a healthy immune system and keeps bones strong. It also helps regulate blood sugar levels, promotes normal blood pressure and is known to be involved in energy metabolism and protein synthesis."

An interesting side-effect of drinking this water for me has been a reduction in chocolate cravings. I know magnesium shortage can make you crave chocolate, and I know my cravings have gone down, so there's some anecdotal evidence for you.

Another benefit of using a water jug is that you can fill it up in the morning, and drink from it all day so that you're monitoring your water intake and making sure you get enough. We have two now, one for me, one for my husband.

The jug also behaves like a standard water filter, removing heavy metals such as lead and copper, flavour inhibiting substances like chlorine, and limescale to help protect kettles and coffee machines.

The jug apparently fits in the fridge door, but I don't like cold water so haven't tried that. It fills and drains through the filter pretty quickly, and is available in a range of colours. The only negative about this jug is that the hole in the top has a flip lid which makes it easy to fill it up without having to remove the lid, but on ours the lid keeps dropping into the water, which is annoying.

There's a definite taste difference between the BWT Magnesium + water jug and tap water though, and if you don't enjoy tap water, it's not a bad way to try to get yourself to drink more.

What do you think?

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