The Authentic Miraclebag© by Strausz. (PreMB2xSet) 0.5 micron for 10-30 m³. 2-piece extra-fine pack with safety valve. This is what you need if you want to reduce the frequency of cleaning thanks to the double filtration surface. Pool water filter, also ideal as a sand filter replacement. 100 cm. - MiracleBag
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The Authentic Miraclebag© by Strausz. (PreMB2xSet) 0.5 micron for 10-30 m³. 2-piece extra-fine pack with safety valve. This is what you need if you want to reduce the frequency of cleaning thanks to the double filtration surface. Pool water filter, also ideal as a sand filter replacement. 100 cm.

The Authentic Miraclebag© by Strausz. (PreMB2xSet) 0.5 micron for 10-30 m³. 2-piece extra-fine pack with safety valve. This is what you need if you want to reduce the frequency of cleaning thanks to the double filtration surface. Pool water filter, also ideal as a sand filter replacement. 100 cm.
The Authentic Miraclebag© by Strausz. (PreMB2xSet) 0.5 micron for 10-30 m³. 2-piece extra-fine pack with safety valve. This is what you need if you want to reduce the frequency of cleaning thanks to the double filtration surface. Pool water filter, also ideal as a sand filter replacement. 100 cm. - Image 2
The Authentic Miraclebag© by Strausz. (PreMB2xSet) 0.5 micron for 10-30 m³. 2-piece extra-fine pack with safety valve. This is what you need if you want to reduce the frequency of cleaning thanks to the double filtration surface. Pool water filter, also ideal as a sand filter replacement. 100 cm. - Image 3
The Authentic Miraclebag© by Strausz. (PreMB2xSet) 0.5 micron for 10-30 m³. 2-piece extra-fine pack with safety valve. This is what you need if you want to reduce the frequency of cleaning thanks to the double filtration surface. Pool water filter, also ideal as a sand filter replacement. 100 cm. - Image 4
The Authentic Miraclebag© by Strausz. (PreMB2xSet) 0.5 micron for 10-30 m³. 2-piece extra-fine pack with safety valve. This is what you need if you want to reduce the frequency of cleaning thanks to the double filtration surface. Pool water filter, also ideal as a sand filter replacement. 100 cm. - Image 5
The Authentic Miraclebag© by Strausz. (PreMB2xSet) 0.5 micron for 10-30 m³. 2-piece extra-fine pack with safety valve. This is what you need if you want to reduce the frequency of cleaning thanks to the double filtration surface. Pool water filter, also ideal as a sand filter replacement. 100 cm. - Image 6
The Authentic Miraclebag© by Strausz. (PreMB2xSet) 0.5 micron for 10-30 m³. 2-piece extra-fine pack with safety valve. This is what you need if you want to reduce the frequency of cleaning thanks to the double filtration surface. Pool water filter, also ideal as a sand filter replacement. 100 cm. - Image 7
The Authentic Miraclebag© by Strausz. (PreMB2xSet) 0.5 micron for 10-30 m³. 2-piece extra-fine pack with safety valve. This is what you need if you want to reduce the frequency of cleaning thanks to the double filtration surface. Pool water filter, also ideal as a sand filter replacement. 100 cm. - Image 8
The Authentic Miraclebag© by Strausz. (PreMB2xSet) 0.5 micron for 10-30 m³. 2-piece extra-fine pack with safety valve. This is what you need if you want to reduce the frequency of cleaning thanks to the double filtration surface. Pool water filter, also ideal as a sand filter replacement. 100 cm. - Image 9

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The Authentic Miraclebag© by Strausz. (PreMB2xSet) 0.5 micron for 10-30 m³. 2-piece extra-fine pack with safety valve. This is what you need if you want to reduce the frequency of cleaning thanks to the double filtration surface. Pool water filter, also ideal as a sand filter replacement. 100 cm.

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€ 70.95 exc. Vat

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Description

MiracleBag – Crystal Clear Pool Water Without Sand Filters

Why choose MiracleBag?

MiracleBag is the original, custom-manufactured product
with a unique design you won’t find anywhere else. It is not just a simple filter bag,
but an innovative solution that allows your home pool, hot tub, or garden pond to
remain crystal clear without the need for complex or expensive filtration systems.
The industrial-grade filter material, with a fineness of 1 micron or 0.5 microns, is
capable of removing even the smallest suspended particles responsible for
opaqueness or cloudiness.

The MiracleBag filters out green algae, algae dust, and even iron or manganese
precipitated from well water, which often discolors the water. By using it, your water
will not only be visibly cleaner but will also provide a more chemical-free swimming
experience. The amount of chlorine and other chemicals can be significantly reduced,
resulting in fragrant, skin-friendly, and pleasant water. MiracleBag offers a
long-term solution for those seeking simple, effective, and safe pool maintenance.
Our custom-made material and proprietary technology ensure that no one else offers
a comparable solution—you are getting the authentic original.

How does MiracleBag work?

The operation of the MiracleBag is simple yet highly efficient. All you need is a
submersible pump placed in the center of the pool floor to initiate water circulation.
Connect the filter bag to the pump’s outlet using a flexible hose (fitting a maximum
32–36 mm connector). The outflowing water creates a continuous circulation. By
securing the bag at the edge of the pool, as far from the pump as possible, debris is
naturally guided toward the pump, ensuring the water flows through the entire pool
and is constantly purified.

The results are exceptionally fast. After just a few hours of operation, the water
becomes crystal clear, eliminating the need for further vacuuming or lengthy
filtration processes. MiracleBag is available in various packages, including sets
optimized for larger pools and hot tubs. The industrial-quality filter material far
exceeds the efficiency of traditional paper or sand filters. You will immediately
notice the spectacular clarity and the reduced need for chemicals.

Cleaning and Maintenance

Maintaining your MiracleBag is incredibly easy and cost-effective. The bag should be
cleaned when the fibers become saturated with debris. Simply open the zipper and
wash the inside with a strong stream of water to remove accumulated dirt. For
stubborn deposits, a pressure washer may be used—but always with caution to
avoid damaging the filter material. The durability of the MiracleBag is outstanding;
with proper care, it can last 3 to 5 years.

It requires no expensive investment and works perfectly even with a basic
submersible pump. The original product guarantees reliability and peak
performance, backed by over a thousand positive customer reviews.

Technical Specifications and Accessories

The filter bag measures 100 × 15 cm, has a filtration surface of 0.3 m², and provides
efficient cleaning with 1-micron filtration fineness.

The product is available in several versions to meet different needs:

● 1-Unit Version: Universal design, recommended for pools between 0–20 m³.
Compatible with both submersible and external pumps.
● 2-Unit Pack: Ideal for larger pools between 10–30 m³.
● 3-Unit Pack: Recommended for pools between 15–40 m³.

Jacuzzi Set:

Specially optimized for hot tubs, spas, and small pools using a
submersible pump. Using the 1-micron system protects the internal circulation
system of your hot tub, preventing costly breakdowns. The submersible pump
delivers debris into the bag more efficiently while also suctioning sediment from the
floor.

Note: The Jacuzzi set includes a short flexible hose not suitable for larger pools, which
require longer hoses.

A Message from the Inventor: János Strausz

“Hi! I’m János Strausz, the inventor, founder, and owner of MiracleBag (known as
Csodazsák in Hungary). I have been developing innovative micro-filtration
technology for over 12 years. My goal is to replace complex and expensive sand
filters with a simple yet highly effective solution. I am not just a businessman; I am
here to help. I support our users with instructional videos and often personally
consult with customers to provide technical advice.”

MiracleBag – Sustainable and Efficient Pool Cleaning

MiracleBag is a modern, environmentally conscious solution. Its use eliminates one
of the biggest drawbacks of sand filters: significant water loss during backwashing.
You no longer need to flush out hundreds of liters of chemically treated water,
saving you money and protecting the environment.

The 0.5–1 micron filtration physically removes suspended solids and algae spores.
Consequently, fewer chemicals are needed, and the use of flocculants (coagulants)
becomes unnecessary. With fewer organic contaminants, chlorine works more
effectively, allowing for clear, transparent water even at lower chemical levels.

The system is economical: cleaning the bag requires only a few liters of water.

Thanks to the durable industrial material, the MiracleBag lasts for several seasons,
eliminating the need for disposable filters. It is a practical, cost-effective, and
sustainable alternative that increases cleaning efficiency while reducing water and
chemical consumption.

Additional information

Weight0.772 kg

Everything you want to know about MiracleBag:

Filter bag made of 1 or 5-micron industrial-grade water filter material. This filter is designed to remove all suspended particles from pool water – including those that cause cloudy or hazy appearance.

It can also remove rust particles that precipitate from well water. It’s suitable for clearing algae from garden ponds too, but for that, only the 1-micron material is effective.

The word “miracle” might sound off-putting at first, given how many useless products are branded as such – but the name stays. Here, “miracle” refers to the fact that even years later, users of MiracleBag are still amazed at how much dirt it filters out of the water.

Those who avoid MiracleBag just because of the name will most likely end up buying it a few years later—once a friend recommends it to them. :) That’s experience talking.

We made a video comparing the 1-micron and 5-micron filter materials.
While the 5-micron bag is cheaper and easier to clean, we now only offer the 1-micron version.

The 1-micron bag is only slightly more expensive, but it’s more effective—and you’ll be more satisfied with it.
Only the 1-micron bag can filter out green algae from the water.

5-micron bags are still available, but they are not covered by the 100% satisfaction guarantee.

The full-size bag is 1 meter long, while the half-size bag is 50 cm. With normally clean water, the half-size bag is sufficient for 4–6 m³ of water.

If possible, go for the full-size bag—it needs less frequent cleaning, is easier to rinse, and filters more thoroughly, since the water passes through the material with half the pressure.

The bag can be used for several years, so the small price difference is minimal compared to its benefits.
The half-size bag is recommended mainly for smaller water volumes, such as kiddie pools.

This valve protects the MiracleBag from overpressure. We recommend using MiracleBag with a submersible pump because of its high water output. However, as the bag starts to clog with debris, the water pressure increases and can damage the bag.

If you’re using a pump stronger than 150 watts, make sure to request the valve with your first bag. Damage caused by overpressure is not covered by the warranty.

The tube shape is the result of multiple rounds of development. While a square shape might seem more obvious—and we did produce some earlier versions like that—at the same filter surface area, a square bag holds much more water.

When the bag fills up with debris, it becomes so heavy that people with less physical strength may not be able to lift it out of the pool to clean it. You can’t pour the dirty water back into the pool just to lighten the bag, and waiting for the water to slowly drain out of a clogged bag could take several minutes.

Only the elongated shape allows the filter material behind the zipper to be layered, ensuring perfect filtration.
Without this layering, water could pass through the zipper teeth unfiltered.
Also, the long shape makes the bag much easier to clean.

The 100×15 cm bag is the most manageable size. Even when full of water, it can still be lifted out of the pool easily, and it’s not too long during cleaning, making it simpler to handle.

For larger pools or ponds, you can connect multiple bags in parallel to achieve any required filter surface area.

A larger filter bag filled with water would be so heavy that it couldn’t be lifted out of the pool.

To clean the inside of the 1-micron MiracleBag, use a strong jet of water, like from a garden hose. A weak stream or shower setting only removes dirt from the surface of the filter material, but the ultra-fine particles stay trapped between the fibers—and only a strong jet can get them out.

In the beginning, rinsing with a regular garden hose is usually enough. But over time, the pores of the filter fill up with the very fine particles the bag is meant to capture.

At that point, you’ll need to use a pressure washer to clean the bag thoroughly. Be careful and gentle when using it—too much pressure can damage or loosen the filter material.

You can expect the bag to withstand about 10 such deep cleanings.
If you wash it three times a year, it can last up to 3 years.
Of course, in many cases, it’s not the usage but the family dog that ends the bag’s life—according to feedback, most bags get chewed up by dogs. :)

You can read more about cleaning on the website.

If you’re not satisfied with the bag, we’ll refund the price (up to the cost of 1 bag), including the shipping fee. You don’t even have to destroy the bag—you can keep using it if you want, until you figure out the proper way to use it.
Users of my product don’t abuse this guarantee, because they’re happy with the effective filter bag. Dissatisfaction is extremely rare and usually comes from impatience.

With very dirty water, the bag can collect so much debris within 10–20 minutes that it already needs cleaning.
Sometimes people assume there’s no work involved with this bag because they’re used to only occasionally checking their paper or sand filters. But a filter’s job is to filter. If it’s doing that, it has to be cleaned.
If it doesn’t need cleaning, it’s not doing its job.

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