Bluewater

A Bluewater water purifier takes tap water down to a clean slate, so your coffee tastes like the beans and not the plumbing. Pair a Bluewater reverse osmosis water purifier like the Spirit with the Cafe Station and Liquid Rock, and you add back only the minerals coffee wants. That gives you the same espresso at open and at close, on the same water.

How Do Bluewater Purifiers and the Cafe Station Work Together for Coffee?

Reverse osmosis pushes tap water through a membrane so fine it leaves behind almost everything dissolved in it: chlorine, heavy metals, microplastics and the hardness minerals that bake into scale on a boiler. Bluewater's SuperiorOsmosis membrane cleans itself as it runs, so it holds its flow and purity longer between service visits. What comes out is a neutral base that stays the same however your city's water changes through the year.

Neutral isn't the finish line, though. Water with almost no minerals can taste flat in the cup, and very low mineral water is hard on the metal inside a commercial espresso machine, so purified water needs a measured amount put back. That is the Cafe Station's job. Its dosing pump meters Liquid Rock, a Swedish mineral blend, into the purified water, and the Light, Original, Medium and Bold settings let you match the water to your beans. Check your espresso machine maker's water specification too, so the setting you pick sits inside it.

Choosing is mostly about what you already have. The Cafe Station works alongside a purifier rather than replacing one, and Spirit is the under-sink purifier that fills that role, with no storage tank of its own to find room for. If you only want clean water and no mineral dosing, a purifier on its own does the job. Either way, plan on a qualified plumber for the install.

FAQ

Is Bluewater a coffee brand?

No. Bluewater is a Stockholm-based water purification company, and its coffee line is the Cafe Station and Liquid Rock. If you were searching for a Bluewater coffee shop or beans, those are separate businesses. What you will find here is the water side of coffee: purifiers, mineral dosing and the parts that go with them.

What is the Bluewater Cafe Station?

The Cafe Station 1 is the dosing and control side of a Bluewater coffee water setup. The kit includes the dosing and control components, a pressure-less tank, a Bluewater RO faucet and the installation parts. It pairs with a Bluewater purifier and Liquid Rock, and together they deliver purified, mineralised water from a single outlet.

What is Bluewater Liquid Rock?

Liquid Rock is a mineral concentrate made from Swedish minerals at a 2:1 calcium to magnesium ratio. The Cafe Station doses it into purified water to improve flavour and extraction, and the blend is designed to resist scale. It comes in a 5 litre (1.3 gallon) container, so it is a refill you reorder as you use it.

Is the Bluewater Spirit a reverse osmosis system?

Yes. Spirit is an under-sink reverse osmosis purifier built on Bluewater's SuperiorOsmosis circulating membrane, and it needs no storage tank of its own. It has built-in leak detection, pressure and flow sensors, filter-replacement indicators and automatic flushing, so most of the watching is done for you.

Where can I find the Bluewater Spirit manual?

Open the Spirit 300CP-HR product page and use the user manual link there. The Cafe Station kit page links its installation guide the same way. Keep both handy for your plumber, because Bluewater's warranty terms expect proper installation and maintenance by a qualified plumber, Bluewater dealer or authorized technician.

Do I really need reverse osmosis, or will a Brita-style filter do?

A pitcher filter improves taste and reduces chlorine, which is fine for a home brewer. It doesn't give you a controlled mineral level, and that is what decides scale risk and extraction in a cafe. If you run one machine and want cartridge protection, see our water filtration for coffee machines. Choose reverse osmosis when consistency is the goal.

Can I use Bluewater water for filter coffee, or only espresso?

Both. The Cafe Station gives you purified, mineralised water from one outlet, and Bluewater sets it up for espresso machines as well as filter, pour-over, AeroPress and cold brew. The mineral settings let you shift the water to suit a bright light roast or a darker, sweeter one.

Do I need a plumber to install a Bluewater purifier?

Plan on one. Spirit connects to your water supply and a drain under the counter, and Bluewater's warranty requires installation by a qualified plumber, Bluewater dealer or authorized technician. The Cafe Station kit comes with fittings and a float switch cable for its tank, so the plumber has the parts for the dosing side too.

What maintenance does a Bluewater system need?

The membrane cleans itself as it runs, and the Spirit's indicators tell you when filters need replacing, so routine care is mostly swapping consumables on time. Filter cartridges are consumable parts, and Liquid Rock is a refill you top up as you use it. Bluewater's warranty terms expect proper maintenance, so keep to the schedule.

Does a Bluewater purifier waste a lot of water?

Every reverse osmosis system sends some water to drain along with the contaminants it removes. Bluewater's circulating membrane is built to recover more of your feed water than a conventional RO membrane, so less goes down the drain for each litre you serve. Check the recovery figure on the product's spec sheet before you size your drain and supply.

A Bluewater water purifier takes tap water down to a clean slate, so your coffee tastes like the beans and not the plumbing. Pair a Bluewater reverse osmosis water purifier like the Spirit with the Cafe Station and Liquid Rock, and you add back only the minerals coffee wants. That gives you the same espresso at open and at close, on the same water.

How Do Bluewater Purifiers and the Cafe Station Work Together for Coffee?

Reverse osmosis pushes tap water through a membrane so fine it leaves behind almost everything dissolved in it: chlorine, heavy metals, microplastics and the hardness minerals that bake into scale on a boiler. Bluewater's SuperiorOsmosis membrane cleans itself as it runs, so it holds its flow and purity longer between service visits. What comes out is a neutral base that stays the same however your city's water changes through the year.

Neutral isn't the finish line, though. Water with almost no minerals can taste flat in the cup, and very low mineral water is hard on the metal inside a commercial espresso machine, so purified water needs a measured amount put back. That is the Cafe Station's job. Its dosing pump meters Liquid Rock, a Swedish mineral blend, into the purified water, and the Light, Original, Medium and Bold settings let you match the water to your beans. Check your espresso machine maker's water specification too, so the setting you pick sits inside it.

Choosing is mostly about what you already have. The Cafe Station works alongside a purifier rather than replacing one, and Spirit is the under-sink purifier that fills that role, with no storage tank of its own to find room for. If you only want clean water and no mineral dosing, a purifier on its own does the job. Either way, plan on a qualified plumber for the install.

FAQ

Is Bluewater a coffee brand?

No. Bluewater is a Stockholm-based water purification company, and its coffee line is the Cafe Station and Liquid Rock. If you were searching for a Bluewater coffee shop or beans, those are separate businesses. What you will find here is the water side of coffee: purifiers, mineral dosing and the parts that go with them.

What is the Bluewater Cafe Station?

The Cafe Station 1 is the dosing and control side of a Bluewater coffee water setup. The kit includes the dosing and control components, a pressure-less tank, a Bluewater RO faucet and the installation parts. It pairs with a Bluewater purifier and Liquid Rock, and together they deliver purified, mineralised water from a single outlet.

What is Bluewater Liquid Rock?

Liquid Rock is a mineral concentrate made from Swedish minerals at a 2:1 calcium to magnesium ratio. The Cafe Station doses it into purified water to improve flavour and extraction, and the blend is designed to resist scale. It comes in a 5 litre (1.3 gallon) container, so it is a refill you reorder as you use it.

Is the Bluewater Spirit a reverse osmosis system?

Yes. Spirit is an under-sink reverse osmosis purifier built on Bluewater's SuperiorOsmosis circulating membrane, and it needs no storage tank of its own. It has built-in leak detection, pressure and flow sensors, filter-replacement indicators and automatic flushing, so most of the watching is done for you.

Where can I find the Bluewater Spirit manual?

Open the Spirit 300CP-HR product page and use the user manual link there. The Cafe Station kit page links its installation guide the same way. Keep both handy for your plumber, because Bluewater's warranty terms expect proper installation and maintenance by a qualified plumber, Bluewater dealer or authorized technician.

Do I really need reverse osmosis, or will a Brita-style filter do?

A pitcher filter improves taste and reduces chlorine, which is fine for a home brewer. It doesn't give you a controlled mineral level, and that is what decides scale risk and extraction in a cafe. If you run one machine and want cartridge protection, see our water filtration for coffee machines. Choose reverse osmosis when consistency is the goal.

Can I use Bluewater water for filter coffee, or only espresso?

Both. The Cafe Station gives you purified, mineralised water from one outlet, and Bluewater sets it up for espresso machines as well as filter, pour-over, AeroPress and cold brew. The mineral settings let you shift the water to suit a bright light roast or a darker, sweeter one.

Do I need a plumber to install a Bluewater purifier?

Plan on one. Spirit connects to your water supply and a drain under the counter, and Bluewater's warranty requires installation by a qualified plumber, Bluewater dealer or authorized technician. The Cafe Station kit comes with fittings and a float switch cable for its tank, so the plumber has the parts for the dosing side too.

What maintenance does a Bluewater system need?

The membrane cleans itself as it runs, and the Spirit's indicators tell you when filters need replacing, so routine care is mostly swapping consumables on time. Filter cartridges are consumable parts, and Liquid Rock is a refill you top up as you use it. Bluewater's warranty terms expect proper maintenance, so keep to the schedule.

Does a Bluewater purifier waste a lot of water?

Every reverse osmosis system sends some water to drain along with the contaminants it removes. Bluewater's circulating membrane is built to recover more of your feed water than a conventional RO membrane, so less goes down the drain for each litre you serve. Check the recovery figure on the product's spec sheet before you size your drain and supply.