SpaGuard® Total Alkalinity Increaser 42630BIO Circuit Boards J1000 Control Panels look like

J1000 Control Panels look like this:

Diameter: 6”

J-230 2012+ J-235

J-400 Series Pillow with window for light

Please note: Always check the functionality of all lights

SpaGuard® Total Alkalinity Increaser 42630BIO Circuit Boards J1000 Control Panels look likeSpaGuard Total Alkalinity Increaser 42630BIO Raises the total alkalinity. Eliminates "pH bounce" Helps prevent equipment and spa surface corrosion and damage To use Total Alkalinity Increaser: 1 Tbs. per 100 gallons raises total alkalinity approximately 25 ppm. Broadcast directly into the spa with the pump running and aeration off. NOTE: Avoid physical contact with product. Follow safety information on label instructions. Store in a cool, dry place.