Pool Sanitation Made Simple: Chlorine Tablets vs. Granular Chlorine

Keeping your pool crystal-clear requires the right chlorine solution. The two most effective options are:

✔ Chlorine Tablets (Trichloroisocyanuric Acid, or "Trichlor") – Slow-dissolving, high-concentration (90% chlorine)
✔ Granular Chlorine (Calcium Hypochlorite, or "Cal Hypo") – Fast acting shock treatment (60-70% chlorine)

How Chlorine Tablets Work

Chlorine tablets are designed for long-term, steady sanitation. Because they are highly concentrated (90% chlorine), they dissolve slowly and are best used in:

Floating dispensers

Automatic chlorinators

Skimmer baskets

✅ Pros:
✔ Consistent chlorine levels
✔ Low maintenance (lasts 3-7 days per tablet)
✔ Ideal for regular pool upkeep

⚠ Considerations:

Must be used with a dispenser to prevent bleaching pool surfaces

Dosage may need adjustment in extreme heat

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How Granular Chlorine Works

Granular chlorine (Cal Hypo) is a fast-dissolving powder, perfect for:

Shock treatments

Quick algae removal

Emergency sanitation

✅ Pros:
✔ Works within minutes (not days)
✔ No dispenser needed—just sprinkle and dissolve
✔ Ideal for irregular pool maintenance

⚠ Considerations:

Requires more frequent application than tablets

Stronger pH impact (may require balancing)

Which One Should You Choose?

Use Chlorine Tablets If…

You prefer a "set it and forget it" approach

Your pool is used regularly and needs consistent sanitation

Use Granular Chlorine If…

You need a quick algae or bacteria fix

Your pool has been neglected and needs a fast cleanup

Pro Tip: Many pool owners use both—tablets for daily maintenance and granules for shock treatments!

What Pool Owners Worldwide Say

⭐New Zealand – "AQUACLEAR Trichlor tablets keep my Auckland pool algae-free all summer with just 2 tablets a week!" – Michael R.

⭐Spain – "Los gránulos de Cal Hypo de AQUACLEAR son increíbles—eliminan las algas en solo unas horas." – Carlos M.

⭐Australia – "I rely on AQUACLEAR’s tablets for daily use and granules for weekly shocks. Perfect combo!" – Sarah K.

⭐ South Africa – "AQUACLEAR’s Cal Hypo saved my pool after a heavy storm. Clear water in just one treatment!" – David B.

⭐Singapore – "AQUACLEAR Trichlor tablets are the most stable I’ve used—no pH spikes, just clean water." – Mei L.

Ready to Choose Your Chlorine?

For Chlorine Tablets (Trichlor):
Learn more: What is Trichlor (TCCA) and How It Works
Buy now:   AQUACLEAR Chlorine Tablets

For Granular Chlorine (Cal Hypo):
Learn more:   How to Use Calcium Hypochlorite
Buy now:   AQUACLEAR Granular Chlorine

Need Help Deciding? Contact our pool experts today!

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