Silk BalanceGems Hot Tub Natural Water Treatment Pods 7 in 1 Technology (4 Month Supply)

I was sceptical about this product before I tried it, but it has made a real difference to our hot tub, it has reduced the chlorine smell and has made the water silky soft, the only slight downside is that you need to keep a check on the chemical levels as it balances them out and can reduce the chlorine or bromine too much and cause the water to go cloudy and green