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Cyanursäure. 1Kg. in plastic pot.
Prevents 'burn off' of chlorine by harsh tropical sunlight. Only VERY SMALL QUANTITIES are needed.
An indispensable additive when using salt water chlorination systems or liquid chlorine in outside pools..
MOMENTAN NICHT AUF LAGER
Cyanuric Acid (CYA)
SIE BRAUCHEN NUR SEHR KLEINE MENGEN VON CYA.
Für einen 200.000 Liter (200m3) Pool, zum Beispiel ein Pool 10 x 20 Meter, würde 6 kg CYA ausreichen, um den CYA-Wert von 0 bis 50 ppm zu erhöhen. CYA wird nicht verbraucht - sein einziger Verlust ist durch Rückspülung und starke Verdünnung des Wassers vom Regen.
Ein mittelgroßer Familienpool von ca. 4 x 10m, durchschnittliche Tiefe 1m und mit einem Salzwasser-Chlorinator, braucht etwa 1 Kg CYA, um den CYA von 0 - 30ppm zu erhöhen
Q: Do I need cyanuric acid?
A: Generally, most chlorine products for pools are marketed as T.C.C.A (trichlorisocyanuric acid), that is, they already contain Cyanuric Acid. While this is true for chlorine powder, granules and tablets, saltwater chlorination systems DO NOT produce cyanuric acid and to reduce the load on a chlorinator it should be used. Here in the tropics, however, the sun is very fierce, and in many situations, many pools may benefit from careful addition of Cyanuric Acid.
Q: What does cyanuric acid do?
A: Cyanuric acid forms a weak bond with free chlorine in the pool water, protecting it from the sun’s ultraviolet rays to reduce chlorine loss. Properly managed, cyanuric acid has been shown to reduce the amount of chlorine needed to maintain the minimum chlorine residual in an outdoor pool. In a small pool with a moderate bather load, cyanuric acid can significantly reduce the cost for chemical disinfection.
Q: How much cyanuric acid should be used in a swimming pool?
A: Chemical suppliers recommend that the optimal range for cyanuric acid is 30-50 ppm. Other sources recommend about 20 ppm for a good cost- to-benefit ratio. At levels above 50 ppm, pools reach the point of diminishing returns where the reduction in chlorine effectiveness and cost of buying cyanuric acid outweighs the benefits.
Q: How does one test for cyanuric acid?
A: Any pool operator who uses cyanuric acid or stabilized chlorine should purchase a test kit capable of measuring cyanuric acid and understand how to use it properly. Cyanuric acid level should be tested at least once a week. Click here for details of our Cyanuric Acid testers.
Factors Affecting the Cyanuric Acid Concentration in Swimming Pools (PDF dowload)
