Made in: Vietnam

  • Size: 1.5 – 2.5 mm
  • Density: 1400 kg/m3
  • Packing: 25 kg/bag
  • Function: Raise pH, stabilize pH in water


The pH of water has a great influence on water quality and the health of water users, so many people have come to a water purification material called pH raising granules to increase the pH in the water, adjust the pH at a balanced level to help the water source become safer.
Vietnam LS pH lifting granules are specialized materials in water treatment systems to improve and stabilize pH levels in water because pH in water has a direct impact on health. Specifically, if the pH level in the water is too low (acidic environment), unfortunately, drinking that water on the person, can gradually cause diseases that affect the health.

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Features of pH lifting stones

  • The size of Vietnamese lifting beads usually ranges from 1.5 – 2.5 (mm). The seeds are hard, usually existing in a dry state with a characteristic milky white color.
  • Vietnamese lifting nuts have up to 90% Calcium Carbonate (CaCO3) in the composition. Therefore, when using granules it is possible to increase the hardness of water.
  • Vietnam LS pH lifting granules are relatively small in size and quite uniform
  • When using lifting granules in water with a low pH may precipitate alum. Therefore, granules are often used in the purification of water contaminated with alum.
  • In addition to being used in combination in filtration systems, particle-raising pH is also used individually. In this case, it is necessary to equip 1 additional layer of quartz sand lining to promote effectiveness.

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Advantages of Vietnamese pH-raising granules

  • When using LS Vietnam lifting stones, there is no need to use chemicals as well as auxiliary equipment.
  • LS particle elevators do not produce pH concentrations as high as Corosex particles. At the same time, the seeds also do not form a film above the surface of the water.
  • In addition to the ability to stabilize the pH in water stopping at 7.5pH, stone particles raise pH also add minerals to the water source.
  • Similar to manganese sand, water filter gravel, birm granules,… then the lifting particle can also be immediately put into the filter tank in use without fear of changing the structure of the tank.
  • Vietnam LS pH lifting granules can be used as a substitute for chemicals such as: NaOH, Na2CO3,…
  • pH lifting stone has many outstanding advantages that few filter materials have.

Particle conditions that raise pH LS work efficiently

Use granules in a water treatment system best when:

  • Use lifting beads with a lining placed on top of the beads; And ideally, the granules should be at the top of the filter tank.
  • The pH concentration in water is low in the range of 4.0 – 6.0pH.
  • The thickness of the particle lifting pH when put and the system is from 0.5 – 1.0 (m). This thickness depends on the pH of the inlet water source.
  • Periodic replacement of lifting grain (from 6 to 12 months) to ensure water quality. Because during use, the grain can be abraded even if it is not reverted.
  • Water purification and treatment equipment operates at a speed of 5-15 m / hour.


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