99.99%
of bacteria removed
99.99%
of protozoa removed
99.97%
of Candida albicans (yeast) removed
2,000 L
filtered by a single filter, depending on water quality
Black Water Filter Bottle
-5 %
Regular price
€33,99
Sale price
€32,30
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Baytiz water filter bottle
Drink water from rivers, springs and the tap.
- Drink with peace of mind when hiking, camping or travelling
- Up to 99.9999% of bacteria and protozoa removed, lab-tested
- Lightweight, 680 ml, carabiner included: it goes wherever you go
- River, lake, spring or tap: instantly filtered water
What's in the box
680 ml bottle
blue
Filter straw
already in the bottle
Standard straw
for drinking without filtering
Multi-tool card
survival tool
Carabiner
to clip it to your bag
What kind of water can I filter?
Choose clear fresh water: rivers, streams, lakes, natural springs and fountains, rainwater, melted snow, well water of known quality or tap water.
Be careful with stagnant water or water that has an odd smell or colour, algae or foam. Also avoid rainwater collected from roofs and wells of unknown quality.
Never use seawater or brackish water, wastewater or sewage, or water that may be contaminated by chemicals, oil, fuel, pesticides or industrial or agricultural discharge. If in doubt about a water source, choose another one.
What are the test results?
According to tests carried out by an independent laboratory, the filter removes over 99.99% of bacteria and protozoa:
- Escherichia coli: over 99.99% removed
- Staphylococcus aureus: over 99.99% removed
- Candida albicans: 99.97% removed
How long does the filter last?
The filter straw can treat around 1,500 to 2,000 litres of water, i.e. about 2,300 to 3,075 refills of 650 ml. The actual lifespan depends on water quality, how often you use it and how well it is maintained.
Can I buy replacement filters?
Yes, BAYTIZ replacement filters are available on Amazon and at baytiz.com.
They never head out without it
★★★★★
After hearing so much about it and seeing lots of hikers using it, I finally took the plunge
Angèle Lilouw
★★★★★
Went on a hike with the bottle, took water from a pond, no taste, filters really well, fair price, highly recommended
lambeau Christophe
★★★★★
Simple, effective product. Useful for all hikers. I use it on canoe and kayak trips. It lightens the load without having to bring a water carrier.
Stéphane DURECU
★★★★★
Very good bottle, well finished, with a closing system that stops water getting through. Easy to use and comfortable to hold, ideal for days out in nature or in areas where the water isn't necessarily safe to drink
hennion
★★★★★
Nice product, light and easy to carry. Matches its description well. Now I just have to try it... ;) Very practical, and there's even a small built-in compass that could come in handy ;)
Zézé Rock
★★★★★
Used on a 5-day hike. Very handy for topping up with water from mountain streams. It could have been a bit bigger, but then again, it would weigh more...
NathM91
★★★★★
For a multi-day paddleboard trip, we chose the Baytiz solution so we'd have access to drinking water at any time. We weren't disappointed! The filtered water has no taste at all and is perfectly …
mickael noeung
★★★★★
Great product.. I used the bottle in a lake in the Pyrenees on a hike. Top notch...
Isma
★★★★★
Finally, hikes without ever running out of water. I'm not disappointed with my purchase.
Kindle customer
★★★★★
I really like the style of this bottle and how much water it holds! Very practical to use. I recommend it.
mickael brau
Why carry litres of water on a hike?
 Baytiz bottle |  Bottled water |  Purification tablets | |
|---|---|---|---|
| Drink straight away | ✓ | ✓ | ✗ 30 min wait |
| Removes bacteria and protozoa | ✓ | — | ✓ |
| Weight in your pack | ✓ Empty bottle | ✗ 1 kg per litre | ✓ Lightweight |
| Plastic waste | ✓ None | ✗ A lot | ✗ Packaging |
Independently tested and certified.
SGS lab tests on the filter straw built into the bottle, at the start and after 1,500 litres:
E. coli: over 99.99%
Staphylococcus aureus: over 99.99%
Candida albicans: 99.97%
- NSF/ANSI 42 certificate
- SGS test: Escherichia coli
- SGS test: Staphylococcus aureus
- SGS test: Candida albicans
- TÜV SÜD report: food-grade materials
- FDA report: food-grade materials
The same water, before and after the bottle
All questions
Getting started
How do I fit or remove the straws?
The bottle comes with the filter straw already fitted. If you're using water that is already drinkable and don't need filtration, you can swap it for the standard straw supplied.
To remove a straw, simply pull it downwards. To fit one, push it upwards until it is firmly in place.
What should I do the first time I use it?
You may find tiny particles of activated carbon at the bottom of your bottle: this is normal and harmless (100% natural carbon).
Simply rinse the bottle with clean water, then fill it and start drinking. The first few sips may draw only air and feel a little harder while the filter straw gets wet.
Why do I need to suck harder than with an ordinary straw?
The UF membrane filters down to 0.01 micron. This very fine filtration naturally creates resistance, so it's normal to have to suck harder than with an ordinary straw.
My bottle leaks when I drink. What should I do?
A small hole near the mouthpiece lets in the air needed for suction. When you drink, keep the bottle upright: the straw draws water straight from the bottom. Don't tilt it upwards, so that water doesn't come out of this hole.
When the bottle is properly closed, this hole is sealed and the bottle doesn't leak. If it leaks abnormally, contact our customer service team via the Contact page.
Which water can I filter?
Can I drink seawater?
No. The filter straw does not remove salt from seawater.
Can I drink anything other than water?
Yes, but only with the standard straw, without filtration: drinking water, juice, tea, etc. With the filter straw, use water only. Never filter sugary or fizzy drinks.
Maintenance
What should I do after each use?
Remove the filter straw and blow several times into the mouthpiece, in the opposite direction to sucking, to push out any remaining water. Then let the straw dry completely in the open air, in a dry, well-ventilated place.
Don't leave the straw damp for several days in the closed bottle, a plastic bag or an airtight container.
How do I clean the bottle and filter straw?
Wash the bottle by hand with water and, if needed, a mild soap. Never use soap on the filter straw and never put the bottle or filter straw in the dishwasher.
Any water still held inside the straw stays on the unfiltered side and does not contaminate the filtration system.
My filter straw was stored damp for a long time. Can I use it again?
Mould may have developed. We recommend replacing the filter straw.
What should I do if the flow becomes weak or the filter seems blocked?
Suck up a little water to wet the filter straw, then blow firmly several times into the mouthpiece, in the opposite direction to sucking. Repeat several times if necessary.
Another method: put water into the small hole at the top of the straw, then blow into that same hole to push the water out the other side. Repeat this several times.
If the flow is still unusually weak after several attempts, contact our customer service team via the Contact page.
Filter, guarantee and delivery
How do I know when the filter needs replacing?
Replace the filter straw if the flow stays very weak despite several cleanings, if the water has an unusual taste or smell, or if the straw is damaged.
What guarantee do I get?
The bottle comes with a 6-month guarantee. Our French customer service team answers 7 days a week.
Delivery and returns?
100% free delivery with tracking number. You have 30 days from receipt to request a return.
Free delivery
No minimum spend, with tracking.
6-month guarantee
And 30 days to change your mind.
French customer service 7 days a week
Any questions? Write to us via the Contact page.