Eco One Spa Deluxe 6 Month Refill Kit All natural Enzyme No more itching, No more rashes, No more scum lines Reduces and/or eliminates the majority of your spa care chemical regimen including pH up, pH down, clarifiers and filter cleaning products Easier on your spa equipment than Bromine Includes: 6 bottles of Eco One and 3- 2lb bottles of Ecoone ONEshock Tablets