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Ships within 48 hours · Estimated delivery Jul 29 - Aug 3
): ~40-41-mm (typical industry standard)
Product Type: Front Load Spa Filter Cartridge
Product Type: Cartridge Filter Cleaning Tool
Controls algae and bacteria
Heater Unions: 50mm
Spa Fresh ULTRA Cal up 1kg IN.YT compatible ): ~40-41-mm (typical industry standard)Product Description Spa Fresh ULTRA Cal Up 1kg is a specialised water balancing treatment formulated to increase calcium hardness levels in spa, hot tub and swim spa water. Maintaining the correct calcium hardness helps protect spa surfaces, heaters and metallic components from corrosion, etching and premature wear caused by soft or aggressive water. Low calcium hardness can lead to water becoming corrosive, which may damage spa equipment and surfaces