Welcome to Castle Hot Tubs


Our Outdoor Range

Saunas, Outdoor Cabins and Outdoor Cooking Equipment
Balboa Water Group
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Filbur Pool & Spa Filtration Logo

From Our Blogs

Which Hot Tub Deep Clean Product Is Best?   I want to deep clean my hot tub but can’t decide which of your hot tub cleaning products to choose…..   There are two giants in

Scum On Your Hot Tub Waterline?  We Have The Solution!   Wondering how to clean your hot tub scum line properly? Facing the job of cleaning that stubborn scummy line of body fats, oils and

Cloudy Water in Hot Tubs There is nothing like owning a hot tub, however with ownership comes the age old problem of balancing your hot tub spa water! Swimming pool and swim spas are no

How to balance ph in Hot Tub water      It is important to maintain a ph reading of between 7.2 – 7.8 in your hot tub water! Balancing the ph will help the whole hot