Arctic Pure | Smart pH Replacement Cartridges | 2-Pack enzyme If your spa is 2020

If your spa is 2020 or later with a Linux-compatible motherboard

Formats: 10-tablet container (a year-plus of cleans for most owners) or the 2-tablet pack

Cartridge life depends on usage and water conditions

lotions and organic waste that build up in hot tub water — the stuff behind the waterline scum ring

Coyote and Apollo parts are getting harder to source as the brand ages out — grab a spare while they're still available

Arctic Pure | Smart pH Replacement Cartridges | 2-Pack enzyme If your spa is 2020Smart pH Replacement Cartridges for Arctic Spas Spaboy System Keep your hot tub water perfectly balanced with Arctic Pure Smart pH Replacement Cartridges. Designed exclusively for Arctic Spas equipped with the Spaboy automated salt water system, these cartridges work with the Smart pH module to automatically monitor and adjust your water's pH levels so you spend less time testing and more time relaxing. Each pack includes two 300g cartridges that