Pool Season Alkalinity Up - 5 Lb. Pouch SR Smith Velocity VR Frame Color/TrueTread This is a Hayward Interface

This is a Hayward Interface Board replacement

Base Dimensions: 33" W x 21" H x 20" D

It is used on the S

The calibration discs are not interchangeable so ensure your Spin Touch is the model with 4 LEDs

The 6 Foot Frontier II diving board in gray granite with clear anti-slip treads is designed for residential pools with light to moderate use

Pool Season Alkalinity Up - 5 Lb. Pouch SR Smith Velocity VR Frame Color/TrueTread This is a Hayward InterfaceThis is a 5 lb. pouch of Pool Season's Alkalinity Up. This granular 100% Sodium Hydrogen Carbonate product is easy to use. It raises total alkalinity in the pool and acts as a buffer to prevent pH bounce, staining, and corrosion. Alkalinity Up raises total alkalinity in the water and contributes to optimal sanitizer performance. It also helps prevent pH fluctuation.