Bio Ouster Hot Tub Water Balancing Kit – Spa pH Up, pH Down, Alkalinity Increaser, Calcium Hardness Increaser & Test Strips – Spa Chemicals Starter Kit for Inflatable & Acrylic Hot Tubs – Made in USA
$39.97
Price: $39.97
(as of Mar 07, 2026 13:46:19 UTC – Details)
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COMPLETE SPA WATER BALANCE KIT – Includes pH Up, pH Down, Alkalinity Increaser, Calcium Hardness Increaser, and 50 pH Test Strips. Everything you need to balance and maintain hot tub water clarity and comfort.
EASY TO USE, FAST-ACTING FORMULAS – Quickly adjust and stabilize pH, alkalinity, and calcium hardness. Designed for all hot tub types: acrylic, inflatable, and wood.
IMPROVES COMFORT & EQUIPMENT LIFE – Prevents scale buildup, corrosion, and cloudy water while enhancing sanitizer effectiveness and protecting spa components.
ACCURATE SPA TEST STRIPS INCLUDED – Test water levels instantly and get clear results for pH, alkalinity, and calcium. Ideal for beginners and pros. Compatible with chlorine, bromine, ozone, salt water & more.
MADE IN THE USA, LAB-TESTED FORMULAS – Premium, pro-grade water care backed by science. Follow up with Ouster 3-in-1 Weekly Care for long-term water clarity and softness. Soak in confidence.
$39.97
