Defender Lighting Optima 2001-2004 x 2

Optima 2001-2004 x 2

See a copy of the installation instruction sheet here

Prevents scale by introducing powerful agents that bond to problem-causing calcium ions in your spa water

and PJW60TL-F2S

2012+ J-425

Defender Lighting Optima 2001-2004 x 2Especially designed to prevent scale formation in spas and hot tubs. Especially designed to prevent scale formation in spas and hot tubs. Features: Prevents scale formation Aids in the removal of exisiting scale Prevents dissolved solids from separting into spa and hot tub water Applications: Weekly: 1. Add directly to spa. Use 2 oz. for spas up to 800 gallons. Use 4 oz. for spas over 800 gallons. 2. Run filtration system for one hour, or normal