2 min read
Hot Tub Calcium Hardness Too High: How to Lower It
High calcium hardness causes scale on heater and jets. No chemical fixes it — only dilution works. Here's the exact partial drain method with calculations.
Read moreHot Tub Blog
Expert buying guides, maintenance tips, and the latest hot tub trends to help you make the right choice.
2 min read
Hot Tub Calcium Hardness Too Low: How to Raise It Fast
Low calcium hardness corrodes your shell, fittings, and heater. Fix it with calcium chloride flakes — here's the exact dose, procedure, and prevention plan.
Read more2 min read
Hot Tub Alkalinity Too High? Lower It Without Crashing pH
High total alkalinity makes hot tub pH resist correction and causes scale. Learn the aeration method to lower TA without crashing pH — step-by-step guide.
Read more2 min read
Hot Tub pH Too Low? How to Raise It and Keep It Stable
Low hot tub pH corrodes equipment and irritates skin. Learn exactly how to raise pH with soda ash, baking soda, or borax — plus why it keeps dropping.
Read more2 min read
Hot Tub Pump Not Working? Fix Every Pump Problem Fast
Diagnose and fix a pump that won't start, hums but doesn't move water, loses pressure, or shuts off. Step-by-step from GFCI reset to impeller replacement.
Read more2 min read
Hot Tub pH Too High? How to Lower It Fast (And Keep It Down)
Hot tub pH too high? Learn which chemical to use, how to calculate the exact dose, and why your pH keeps rising — step-by-step guide with troubleshooting.
Read moreShowing 43-48 of 146 articles