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

★★★★★ 4.4 46 reviews

$44.97
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$44.97
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Free shipping Free 30-day returns

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Product details

Management number 209039400 Release Date 2026/03/29 List Price $17.99 Model Number 209039400
Category
  • 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.
UPC 860011456452
Item Form Granular
Brand Name Bio Ouster
Manufacturer Bio Ouster
Product Benefits Prevents Corrosion, Prevents Scales, pH Increaser

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4.4 out of 5
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46 ratings | 19 reviews
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