Industrial Machinery Anti-algae Crystphos Sodium Polyphosphate

Anti-algae blue siliphos crystal is the reliable slow-soluble chemical, which brings us the economical way to protect water systems against scale and algae. It can be fed into water by a dispenser, which can be installed in almost every water system. They require no electric installation and hardly any maintenance. They only have to be refilled with balls every 3-12 months. Refilling is very easy.

In marine water aquaria high phosphate levels inhibit the formation of lime by hard corals and calcareous algae. Due to the increased nutrient levels the zooxanthellae of zooxanthellate corals can proliferate to a degree that they cover the natural colour pigments of the corals. The corals turn brown. A further indication for high phosphate and silicate (silicic acid) levels is the growth of red or brown algae that often form a smeary coat on the aquarium decorations and threaten the life of various organisms. A PO4 level of more than 0.1 mg/l may not be tolerated in a modern coral reef aquarium. Crystphos is also used to bind undesirable silicates in sea water aquaria.

In fresh water aquaria the maximum content should be around 0.3 mg/l. Elevated phosphate levels are often responsible for algae epidemics, poor plant growth and ailing fish.Adding a small amount of polyphosphate to water can destroy the normal growth of CaCO3 and other crystals, thereby preventing the formation of CaCO3 scale. The anti-scaling mechanism is mainly through partial functional groups in the molecule or electrostatic force adsorption on the active points on the crystal surface, so as to slow down the growth of the crystal, so as to keep the crystal in a microcrystalline state and increase its solubility. This anti-scaling mechanism makes the agent have a threshold effect.

Recommended dosage

For anti-scale: 10g per 1ton water (concentration: <10ppm)

For anti-corrosion: 3g per 1ton water (concentration: <3ppm)

Theory of anti-scale

Ca2++Na2[Na4[Po3]6]→2Na+ +Na2[Na2Ca[Po3]6] (Soluble complex)

Theory of anti-corrosion

Fe2+ +Na2[Na2Ca[Po3]6]→2Na+ +Na2[FeCa[Po3]6] (Soluble complex)

Fe2+ +Na2[Na4[Po3]6]→2Na+ +Na2[Na2Fe[po3]6] (Soluble complex)

Lanlang is the member of American Water Quality Association. In 2016, Lanlang obtained WQA Certification with NSF / ANSI61 and 372 standard. And in 2022, Lanlang obtained NSF Certification with NSF/ANSI44 and 42 standard.

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