Everything in your inground pool is good with chemicals but the clorine is locked I have added 1eryt5 bags of shock and the clorine still registered 0 please help you They say the clorine is locked?
Test for Cyanuric Acid, this is what causes "Chlorine Lock" however, usually you have the opposite result. High test readings, with no positive effect. The only way to correct this is to physically drain water from the pool and add new. The best way to avoid this problem in the future is to buy higher grade chlorine and shock. tritonunderwater.com
Basically total clorine in a pool is the total clorine that is in the pool (even the part that has been used to oxidize various contaminants). Free clorine is the total amount of clorine available to be used as an oxidizing agent. In a clean pool these amounts should be the same but as a pool accumulates contamanents the amount of total clorine will be higher than free clorine. It is best to shock the…
I have got a goldfish about a week ago and now the tank needs cleaning but I heard tap water iis bad for them so what water do I need and where do I get it from?
We have an inground concrete salt water pool in Sydney have hundreds of brown lines an inch long in the pool look like dirt but when broken open hundreds of tiny red worms appear how do we get rid?
thats a bad idea to have an inground salt water pool in concrete. the salt water it self may eat away some parts of the concrete, plus the fact that its underground and contains salt it attracts worms. maybe you should pour alot of clorine in the pool to kill them, then empty out the water and start fresh.