Banner advertising "free skimmer socks with every purchase". This applies to all purchases made on our pool supplies store.

Spa Shok Ultra (Chlorine-Free) (1.2 kg)

C$45.99
In stock
Product Details
UPC: 775612004516
Brand: Sani Marc

A chlorine-free shock treatment that quickly restores water clarity and prolongs the effect of spa sanitizers.

Features and Benefits

  • A chlorine-free oxidizing and reactivating spa treatment
  • Actively eliminates organic waste such as perspiration, body oils and cosmetics
  • Quickly restores water clarity
  • Prolongs the effect of bromine and chlorine in spa water

When to use

Use Spa Shok Ultra as part of your weekly spa maintenance routine to maintain water clarity and prolong the effectivity of spa sanitizers.

How to use

Sprinkle Spa Shok Ultra directly over the water surface while the spa is running. Do not apply while people are in the spa. Wait 30 minutes before bathing.

Want a convenient, pre-measured shock treatment with extra clarifying effects? Check out Spa Shok Ultra 2-in-1!

Save this product for later
Share this product with your friends
Spa Shok Ultra (Chlorine-Free) (1.2 kg)

H₂O Blog

Storage Tips: How to Safely Store Pool Chemicals
Proper storage for your pool chemicals is crucial for maintaining their effectiveness and ensuring the safety of your home and …
The Best Time to Open Your Pool in Canada: Timing is Everything!
Opening your pool in Canada can be an exciting way to welcome the warmer months. However, the timing of when …
TDS in Hot Tubs: What It Is and Why It Matters for Your Water Quality
If you’re a hot tub owner, maintaining clean, balanced water is crucial to ensuring your spa experience is both safe …
Hot Tub Pump: How It Works and Why It’s Essential for Your Spa
A hot tub is an oasis of relaxation, but behind the soothing jets and bubbling water lies a complex system …


Questions? We are more than happy to help! Our team of pool experts are eager to answer any of your queries about your water balance and pool equipment. We can be reached by email at [email protected] or through the contact form below.