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It depends on your 'danger' level. Any amount of chlorine can be dangerous. It only takes a few drops in a gallon of water to disinfect it (kill every living thing in there) after only a few minutes. Chlorine is classified as a toxin, yet it is put in our drinking water and in pools and used in spas.

For a normal sized spa, I would never pour more than a cup of chlorine into the spa. 10 ppm is considered the max. If your spa is green and you are not going to use it then feel free to pour 2 or more cups in it. You're better off draining it at this point.

To prevent chlorine breakdown, it is recommended that you add stabilizer and its level will depend on how big your spa is. Chlorine is dangerous because it can damage liners and upset water balance. I suggest that you use 2 ppm of chlorine or more then shock your water for it will prevent the bad odor.

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Q: How much chlorine in spa is dangerous?
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Does spa bromine tarnish silver?

Yes , the same as chlorine. Do not wear silver or gold for that matter in swimming pools and particularly spa's where there will be a higher concentration of chemicals


How is it that pure sodium and pure chlorine are so dangerous?

it is very dangerous because chlorine is made with bleach and other chemicals &sodium is dagerous....well look on cha cha for sodium


Where can you find a balloon filled with chlorine and why?

You can't. Chlorine is a dangerous, corrosive, poisonous gas and is not available in balloons.


Is Bromine or chlorine better for hot tubs?

Bromine is better overall as a solution than chlorine for hot tubs. Bromine Tablets are EPA registered, are an excellent sanitizer choice, are inexpensive and very easy to use. Used best with a floating feeder system, Bromine is superior to chlorine in that once free chlorine is combined with waste, it has no further sanitizing capability. For water pool treatment Trichlor tablets work great. Because of the high acidic nature, this particular type of chlorine is not recommended in spas. It also dissolves too slow to be effective. If the spa shell is exposed to Trichlor for a prolonged period of time, bleaching of the spa shell can occur and can often cause a permanent ring at the water line of the spa shell.


Can you swim in pool hat has a normal chlorine level but the free chlorine level is high?

There is 3 measurements of chlorine in a pool or spa. Total chlorine, combined chlorine, and free available chlorine. Free available chlorine is the good chlorine that is active in the pool killings germs and algae. Combined chlorine is chlorine is basically chlorine that was once active but has killed germs or bacteria and is now inactive in the pool. Total chlorine is free available and combined chlorine added together. If your combined chlorine is higher than free available chlorine then the water needs to be shocked to eliminate the combined chlorine. But be careful here. If you don't reach what's called break point you will only add to the combined chlorine. There are products on the market which will only remove combined chlorine without effecting your free available chlorine if you are unsure about reaching breakpoint. Hope this helps.

Related questions

What do you do if there is too much chlorine in spa?

Just let it disipate.


What is the difference between spa chlorine and Pool chlorine?

nada


Why is trichlor used in a spa?

Trichlor is a water sanitiserTrichlor is used in spa because it provides chlorine that disinfects the spa/spa. Trichlor has a content of 89-90% available chlorine. Trichlor is the least expensive substance that can be used to sanitize pools/spas.


Is chlorine dangerous to humans?

In small amounts it is not, for example there is chlorine in pools to keep it clean but there is only a small amount. Too much chlorine is dangerouse for humans.


Can you have a salt water hot tub and a chlorine pool without cross contamination?

You cannot "contaminate" a chlorine pool or spa with salt or vice versa. Chlorine starts as salt. Chlorine generators use salt to make chlorine. Therefore your "salt" spa is already a chlorine spa, you are just not putting chlorine tablets in it. It is a very common misconception that a salt system is some how different than a chlorine system. There are no "salt generators" and the salt does nothing other than allow a "chlorine generator" to produce chlorine. We get this question almost every day and it's generally because customers are "sold" not "told" about the product they purchased. If you were expecting anything other than purchasing a device that makes chlorine from salt, you will be disappointed. Pool & Spa


Sodium and pure chlorine are so dangerous?

how is this possible when pure sodium and chlorine are so dangerous


Is chlorine dangerous or radioactive?

Ordinary chlorine is not radioactive. Chlorine gas is highly toxic, however.


Why is chlorine and sodium dangerous?

Sodium is dangerous because it is an Alkali metal which is HIGHLY reactive with water. Chlorine is dangerous because it forms a strong acid with water.


Is 500 ppm of chlorine dangerous?

no


Does spa bromine tarnish silver?

Yes , the same as chlorine. Do not wear silver or gold for that matter in swimming pools and particularly spa's where there will be a higher concentration of chemicals


Does draining a chlorine spa hurt trees?

No nothing to worry about I have trees at the down hill side of pool and they cop heaps of chlorine water and are thriving.


What are three dangerous aspects of chlorine?

Not sure about 3 aspects, but Chlorine is very corrosive.