LaMotte Calcium Hardness 2 Reagent, 30 mL (7041-G) filburmfg This Balboa BP501U HQ Universal

This Balboa BP501U HQ Universal Systems board is designed to restore that control layer in compatible setups where the original board is no longer delivering the kind of reliability the spa needs

Helps support proper bromine-generator operation

Supports filtered water return from the plumbing system

A replacement filter cartridge helps support water clarity by trapping suspended debris inside a compatible spa or pool filtration system

LaMotte Calcium Hardness 2 Reagent, 30 mL (7041-G) filburmfg This Balboa BP501U HQ UniversalThe LaMotte Calcium Hardness 2 Reagent is a 30 mL replacement reagent used with compatible LaMotte water testing procedures. Calcium hardness testing helps pool and spa owners monitor mineral levels that can affect scale formation, water balance, surface protection, and overall equipment care. Keeping fresh reagents on hand supports more consistent test results during routine maintenance or service route testing. Use this reagent as part of the