MinnSpas | EZHotTubParts.com

Hot Tub pH & Water Balancers

Hot tub pH and water balancers: pH up, pH down, alkalinity increaser and calcium hardness increaser. Test first, adjust one reading at a time, and retest before adding more. Shop: Sanitizers | Shock & Oxidizers | Clarifiers & Phosphate Removers | Purge & Line Flush | pH & Water Balancers | Filter Cleaners | All Water Care

Showing all 12 resultsSorted by price: high to low

pH, alkalinity or calcium: which balancer do I need?

pH is low: Leisure Time Spa Up and FROG JumpH are granular pH increasers. Softcare by Softub pH Up raises both pH and total alkalinity.

pH or alkalinity is high: Leisure Time Spa Down, FROG DropH and Softcare by Softub pH Down each lower both pH and total alkalinity.

Alkalinity is low: Leisure Time Alkalinity Increaser, made with 100% sodium bicarbonate, and FROG TArget raise total alkalinity, which helps keep pH from swinging.

Calcium hardness is low: Leisure Time Calcium Booster, FROG SooTHe and Softcare by Softub Calcium Increaser raise calcium hardness.

All in one box: the FROG Balancing Basics Kit includes DropH, JumpH, TArget, SooTHe and StoMPS non-chlorine shock, plus FROG VIP membership.

Target ranges are printed on each product label and differ a little by brand, so use the range on the label and from your spa manufacturer. Always follow the directions on the product label.

✅ Not Finding What You Are Looking For? Ask Us

Tell us your spa brand, model and year, roughly how many gallons it holds and your latest test readings.

A photo helps:

  • Your latest test strip next to the bottle chart
  • The labels of the balancers you have on hand
  • Your spa serial number sticker

We’ll tell you which balancer the readings call for before you order.


Hot Tub pH & Water Balancer FAQs

Should I adjust alkalinity or pH first?

Check total alkalinity first. When alkalinity is low the water has no buffer and pH swings, so raise alkalinity, then fine-tune pH.

Why does total alkalinity matter in a hot tub?

Proper total alkalinity helps prevent rapid pH fluctuation, which makes every other adjustment easier to control.

Does pH down also lower alkalinity?

Yes. Leisure Time Spa Down, FROG DropH and Softcare by Softub pH Down are each made to lower both pH and total alkalinity.

Why raise calcium hardness?

Overly soft water can contribute to equipment and surface problems and may contribute to foaming. A calcium hardness increaser brings low hardness up into the recommended range.

Should I add the full adjustment at once?

No. Add gradually according to the label, let the water circulate, and retest before adding more.

Which balancers should I use in a Softub?

The Softcare by Softub line has its own pH Up, pH Down and Calcium Increaser, and their product pages list the gallon sizes of Softub models to help with dosing.

Do water balancers ship free?

Orders over $99 ship free in the lower 48.

Shopping Cart
Scroll to Top