I . Hard Selzer Water Overview
Hard soda water or Hard Selzer Water is a popular low-sugar alcoholic beverage in recent years, typically made from carbonated water, alcohol (mostly made from fermented sucrose or malt), and natural flavorings. Compared to traditional beer or sugary cocktails, its core characteristics are: low calories, low sugar, and gluten-free. A standard bottle of hard soda (about 355 ml) usually has an alcohol content between 4% and 6%, but typically contains only around 100 calories, making it a more “light and healthy” social choice. In terms of flavor, it features refreshing fruit flavors such as lime, grapefruit, and raspberry, with a taste similar to sparkling water, making it refreshing and easy to drink, especially popular among young consumers.Tiantai can supply the whole solution of 500L Hard Selzer Water Equipment

II What Equipment are needed to produce the Hard Selzer Water?
1.500L/h RO Water Treatment:
Raw water filtration first needs to undergo activated carbon filtration, followed by microfiltration. Activated carbon filtration is mainly used for organic impurities in water, colloidal micro-particles, and the removal of color and odor in clear water. Microfiltration machines, as precision filtration and sterilization equipment, can filter particles and bacteria above 0.01μm in liquids and gases. Its features include high capture efficiency, large filtration area, long service life, high filtration accuracy, low resistance, strong mechanical strength, no peeling phenomenon, strong acid-base resistance, and easy use.

2. 500L Hard Selzer Water Mixing Tank with Agitator:
The mixing tank is manufactured from high-quality SUS304 or SUS316 stainless steel and consists of a cylindrical body, tank cover, agitator system, inlet port, and outlet valve.
The internal surface is mirror-polished to Ra ≤ 0.4 μm, ensuring hygienic performance and easy cleaning. The external surface finish can be customized as polished, mirror-finished, sandblasted, or original matte (cold-rolled).
The tank is equipped with an integrated agitation system for efficient mixing. Available functional ports and accessories include:
Size: ø960mm*2400mm
Liquid level gauge (static pressure, capacitance, non-contact, ultrasonic, or glass tube type)
Air vent/breathing port
Thermometer (digital or dial type)
CIP cleaning port
Sight glass with integrated explosion-proof sight light
SIP sterilization port
Inlet and outlet connections
Sanitary manhole
Agitator at top or bottom
This configuration ensures reliable operation, hygienic processing, and convenient maintenance.

3. 500L Hard Selzer Water Sterilization System
The sterilization unit utilizes ozone technology, leveraging its strong oxidizing properties to achieve highly effective microbial control.
Ozone is a powerful oxidant with sterilization efficiency 15–30 times greater than chlorine. At an appropriate concentration, it can inactivate a wide range of bacteria within 5–10 minutes, providing fast and reliable sterilization without chemical residues.

4. 500L Hard Selzer Water Aseptic Filling System
The aseptic filling machine is designed for sterile packaging of liquid foods such as fruit juice, pulp, and jam.
By integrating directly with the sterilization system, the filler receives the product immediately after sterilization and performs filling under aseptic conditions. This process enables products to be stored at room temperature for over one year, significantly reducing refrigeration costs and minimizing transportation risks.

5.Packaging Inspection
Packaging inspection is conducted in accordance with contract specifications, industry standards, and relevant regulations.
Inspection procedures include:
Verification of outer packaging labels, codes, and markings against the trade contract
Examination of packaging integrity and overall condition
Assessment of packaging materials, methods, and cushioning compliance
Determination of responsibility and extent of damage in case of compromised packaging
Evaluation of whether any product damage is caused by insufficient packaging
Both inner and outer packaging must be secure, intact, dry, clean, and suitable for long-distance transportation. For import and export goods, inspection may be performed through sampling, on-site examination, or combined with scale weighing during the inspection process.
6.Finished Products
All finished products must have intact packaging without deformation, compression, or damage.
Printing elements—including production date, text, images, and barcodes—must be clear and legible. Only products that pass final inspection are approved for shipment.
TIANTAI BrewTech could help you answer your questions and supply the brewery equipment/distillery equipment, Kombucha equipment, wine equipment, hard selzer water equipment ,etc. system. We supply 1-200HL complete brewing brewery equipment system We also supply all auxiliary brewery systems like steam heating pipe and valves, water treatment, filter, air compressor etc. Everything in brewing are all in our list.
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