One store sells "stabilizer", the next "conditioner", and some buckets say both. If you are wondering whether you need two products: you do not.
The short answer: usually yes. Both names are used for cyanuric acid. The product we checked is called "Chlorine Stabilizer and Conditioner" and lists "Stabilizer (Cyanuric Acid)"; its retailer Q&A says 99% cyanuric acid. Read the ingredient, not the name.
Part of: Cyanuric Acid in Pools: What It Does and the Level to Aim For, our overview of stabilizer.
What to look for on the label
- The ingredient: cyanuric acid. For the Pool Solutions product, the Q&A on the retailer's product page says 99% cyanuric acid, 1% other ingredients.
- The percentage: the 99% above is for that one product. Granular products are usually close to 100% and liquid stabilizers are weaker (our note), but your own label is what counts. The dose in our stabilizer calculator depends on it.
- The directions: how to dissolve it and when to retest.
Do you need it at all?
Not if you use trichlor tablets or dichlor: the CDC notes these chlorine products already contain cyanuric acid. And not in a hot tub: the CDC recommends not using cyanuric acid there (why).
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Raises stabilizer Pool stabilizer (cyanuric acid)Also sold as "conditioner". Check that the label says cyanuric acid and note the %: the dose depends on it.
Sources
- Pool Solutions Chlorine Stabilizer and Conditioner (P17025DE), product page and label directions (product name, "conditioner", 99% in its Q&A)
- CDC: Home pool and hot tub water treatment and testing (dichlor and trichlor contain cyanuric acid; hot tubs)
Sources read on November 6, 2026, unless a date is given. Product labels change: the label on the product you buy always wins.
