If your cya is already high then di chlor is probably not the best option for you.
Di chlor for vinyl pool liner.
Sodium dichloro s triazinetrione or di chlor for short is the chlorine you must use for all vinyl pools.
It can be used as a shock treatment 1 lb per 10 000 gallons or as a maintenance chlorine 3 oz.
As water becomes warmer however and pool use increases the chlorine demand will rise accordingly.
Note that chlorine forms into acid when reacting with water so the net effect is still a slight drop in ph.
Some pool owners will even put it directly in their pool or through the skimmer for the same reason.
There are many different types of pool shocks available for shocking the pool liquid chlorine calcium hypochlorite stabilized sodium di chlor and also a non chlorine oxidizer called potassium monopersulfate.
Chlor burst swimming pool shock is also ph neutral so it will not affect ph levels cutting down on the expense of balancing chemicals.
It s roughly ph neutral so it will have minimal impact on your pools ph level and staining your pool isn t a concern.
Every liner or pool installation i did i wrote on the service ticket in huge underlined letters use di chlor chlorine and do not use cal hypo.
To use this type of shock especially in vinyl liner pools to prevent bleaching of the liner you must.
Burst pool shock is dichlor chlorine that is a unique quick dissolving formula that does not require pre mixing and will not cloud pool water bleach pool vinyl liners or harm pool and spa surfaces.
Di chlor should be added in the evening and swimming can be resumed once the chlorine has returned to normal levels.
Di chlor is fast dissolving it will not sit on the vinyl and eat away at it.
Sodium di chlor will usually raise the ph level when added to the swimming pool.
The di chlor shock we sell is 99 sodium dichlor which means 54 8 free chlorine.
Di chlor also contains cyanuric acid cya which acts like sunscreen for your chlorine.