Flippin FROG Replacement Chlorine Cartridge

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Description

The Blue Refill That Keeps Your Flippin' FROG Sanitizing for Another 3–4 Weeks

This is one replacement chlorine cartridge for the standard Flippin' FROG floating system. The blue half-sphere twists onto the green mineral cartridge and meters a low dose of trichlor into pools of 2,000–5,000 gallons.

Each cartridge lasts about 3–4 weeks. When the floater flips upside down, separate the halves, twist on a fresh cartridge and set your dial again.

Lasts
3–4 Weeks
Pools
2,000–5,000 Gal
Free Chlorine
0.5–1.0 ppm
Pack
1 Cartridge
Order Code
01-03-8356

Made for the Standard Flippin' FROG

The cartridge locks onto the green mineral half with a push and a twist, and the arrow on it lines up with the dial numbers on the mineral cartridge. It's the same blue cartridge that comes in the system box.

Low, Metered Chlorine

Inside is trichlor, a stabilized chlorine that resists sunlight. The floater releases it slowly so the mineral cartridge can do part of the work, holding free chlorine around 0.5–1.0 ppm.

A One-Minute Swap

Rotate the halves until the arrows meet, pull them apart and twist the new cartridge on. There are no tablets to handle and nothing to measure.

Buy Exactly What You Need

A single cartridge suits late-season top-ups, a second floater in a bigger pool, or anyone who'd rather not keep spares in storage.

Key Features and Benefits

  • Fits Flippin' FROGStandard 2,000–5,000 gallon system.
  • About 3–4 WeeksPer cartridge.
  • Stabilized Trichlor90% available chlorine.
  • Prefilled and SealedNo tablets to handle.
  • Up to 50% Less Chlorine*Paired with the mineral cartridge.
  • Flip-Over SignalTells you when to replace.

*Compared to the minimum EPA-recommended chlorine level of 1.0 ppm for a stabilized swimming pool.

Testing tip: check the water weekly with FROG Test Strips for Pools & Hot Tubs. They mark the 0.5–1.0 ppm free chlorine a FROG pool runs at as ideal, so you don't overfeed chlorine.

Product Details

Flippin FROG Replacement Chlorine Cartridge specifications
Product Detail Information
Brand FROG (King Technology, Inc.)
Product Flippin' FROG replacement chlorine cartridge
Pack Size 1 chlorine cartridge
Color and Shape Blue half-sphere cartridge
Active Ingredient (label) Trichloro-s-triazinetrione 99.0%, other ingredients 1.0%; 90% available chlorine
Net Weight (label) 14 oz (397 g) per cartridge
EPA Registration EPA Reg. No. 53735-2
Chlorine Type Stabilized trichlor (adds cyanuric acid over time)
Pool Size 2,000–5,000 gallons
Cartridge Life 3–4 weeks, depending on pool size and use
Free Chlorine Level 0.5–1.0 ppm with the Flippin' FROG mineral cartridge
Fits Flippin' FROG floating system (01-12-8406) only; not Flippin' FROG XL
Signal Word (label) Danger; keep out of reach of children
Shipping (DOT, per SDS) UN2468, trichloroisocyanuric acid, dry, Class 5.1 oxidizer, Packing Group II; ships as a limited quantity
Shipping Weight 1 lb
Manufacturer Part Number 01-03-8356 (single cartridge)
Store SKU 01-03-8356
UPC 722906005452
Image Alt Text Flippin' FROG replacement chlorine cartridge, single blue half-sphere cartridge for above-ground pools

How to Replace the Chlorine Cartridge

  1. Wait for the full flip: When the chlorine is almost gone, the floater slowly tips. Don't swap the cartridge until it has turned completely over.
  2. Separate the halves: Lift the system out and rotate the two cartridges until the arrows line up, then pull them apart.
  3. Use up any leftover: If the old blue cartridge still holds a little chlorine, float it by itself until it's empty. Don't let it sink.
  4. Attach the new cartridge: Line up the arrow on the new blue cartridge with the unlock symbol on the green mineral cartridge, push together and twist to lock.
  5. Set the dial and float: Twist to your pool's setting number and tether the system away from the skimmer and return jets.

Flippin' FROG Initial Dial Setting Chart

Pool Diameter Gallons Setting #
12 ft 2,000 1
12 ft 2,500 2
15 ft 3,000 3
15 ft 3,500 4
15–16 ft 4,000 5
15–16 ft 4,500 6
18 ft 5,000 7

From the Flippin' FROG manual. To find gallons, multiply diameter × diameter × water depth (ft) × 5.9. Even setting 0 releases some chlorine. Retest 24 hours after any change.

Compatibility Notes

Before You Buy

  • Fits the standard Flippin' FROG floating system for pools of 2,000–5,000 gallons. It's the half-sphere blue cartridge.
  • Doesn't fit Flippin' FROG XL, which uses a larger rounded-rectangle chlorine cartridge.
  • Works only with the green Flippin' FROG mineral cartridge, which needs replacing every 6 months or one season.
  • Not compatible with FROG @ease hot tub systems or other brands' floaters.
  • Never add other chemicals through the skimmer or within 3 feet of the floater.

Which Flippin' FROG Product Do I Need?

Product What's Inside Covers
Flippin' FROG System Green mineral + blue chlorine cartridge, tether Start of each season
Flippin' FROG Chlorine Cartridge, 1 Pack (this listing) 1 blue chlorine cartridge One 3–4 week refill
Flippin' FROG Chlorine Cartridge, 4 Pack 4 blue chlorine cartridges About 12–16 weeks of refills
System plus 4 Chlorine Cartridges The system plus 4 spare cartridges (5 in all) About 4 months
System plus 4 Cartridges and FROG BAM The 4-month bundle plus 1 bottle of FROG BAM About 4 months plus 90 days of algae prevention

These are the standard half-sphere cartridges for pools of 2,000–5,000 gallons. Flippin' FROG XL uses a larger, rounded-rectangle cartridge for bigger pools, and the two don't interchange.

Why Choose a Single Chlorine Cartridge

It's the exact refill the standard Flippin' FROG takes, one at a time, so you can buy as each flip comes around. Shop more FROG and King Technology water care, or browse pool chlorine and sanitizers at HotTubPirate.com.

Ideal For

  • Flippin' FROG owners who buy as they go
  • Finishing out the season
  • A second floater in a larger pool
  • Pools of 2,000–5,000 gallons

Frequently Asked Questions

Which Flippin' FROG does this cartridge fit?

The standard Flippin' FROG system for 2,000–5,000 gallon pools, part number 01-12-8406. It's the blue half-sphere cartridge.

Will it fit my Flippin' FROG XL?

No. The XL uses a bigger chlorine cartridge shaped like a rounded rectangle. You'll need the Flippin' FROG XL replacement cartridge for that system.

How long does one chlorine cartridge last?

About 3 to 4 weeks. Larger pools, higher dial settings, hot weather and heavy swimming all use it up faster.

How can I tell the cartridge is empty?

The floater flips upside down when the chlorine runs out. You can also shake it: if you don't hear tablets rattling inside, it's empty.

How do I attach the new cartridge?

Line up the arrow on the blue cartridge with the unlock symbol on the green mineral cartridge, push them together and twist to lock. Then turn to your setting number.

There's still a little chlorine left. Should I toss it?

Not yet. Float the old cartridge by itself until it's empty, and keep it from sinking, since a cartridge resting on the floor can bleach the liner.

What kind of chlorine is in the cartridge?

Trichlor. The label lists 99% trichloro-s-triazinetrione with 90% available chlorine, 14 oz per cartridge, EPA Reg. No. 53735-2.

Can I refill it with regular chlorine tablets?

No. The cartridge is non-refillable, and the label warns against refilling empty cartridges. Mixing in other chlorine products can also cause a dangerous reaction.

Does this replace the green mineral cartridge?

No. This is the chlorine half only. Replace the full system, which includes a new mineral cartridge, every 6 months or once a season.

Will trichlor raise my stabilizer level?

Trichlor is stabilized chlorine, so cyanuric acid builds up slowly. The manual's target is 20–80 ppm; above 80, partly drain and refill the pool.

How many cartridges will I use in a season?

Plan on roughly one every 3 to 4 weeks you swim. A summer of about 4 months usually takes 4 or 5, counting the one that came in the system.

Why is my cartridge emptying in under 3 weeks?

Higher settings, lots of swimmers and water over 80–90°F all increase demand. Check that the dial matches your gallons, and shock more often in hot spells so the floater isn't doing all the work.

How should I store a spare cartridge?

Keep it sealed in its original package somewhere cool and dry with good airflow, away from heat, flame, other pool chemicals, kids and pets.

How do I get rid of the empty cartridge?

Shake it over the pool to be sure it's empty, then recycle it where that's available or put it in the trash. Never reuse or refill it.

Is the chlorine cartridge dangerous to handle?

It carries the Danger signal word. The trichlor inside is corrosive to eyes and skin, so handle it by the shell, avoid contact with the contents and wash up afterward.

Safety Notes

Handle With Care

  • The chlorine cartridge label carries the Danger signal word. It's corrosive: it causes irreversible eye damage and skin burns, may be fatal if absorbed through skin or inhaled, and is harmful if swallowed.
  • Strong oxidizer. Moisture, dirt or other pool chemicals can start a reaction that releases heat and hazardous gas. Never use it in a feeder that has held calcium hypochlorite or other unstabilized chlorine.
  • Never add chlorine, pH adjusters, shock or algaecide through the skimmer or within 3 feet of the Flippin' FROG.
  • Don't open or refill a cartridge. Wash with soap and water after handling.
  • If it gets in your eyes, hold them open and rinse slowly with water for 15–20 minutes, removing contact lenses after the first 5 minutes, then call a poison control center or doctor.
  • Store spares in the original container in a cool, dry, well-ventilated place away from heat, open flame, children and pets. Toxic to fish; shake an empty cartridge over the pool before recycling or discarding it.
  • Read every label, the Flippin' FROG manual and the Safety Data Sheets before use.

Product Documents

Download the Flippin' FROG manual for the setting chart and replacement steps, and the chlorine cartridge Safety Data Sheet.

PDF
Flippin' FROG Manual
Start-up, water balance, dial setting chart, cartridge replacement, routine care and troubleshooting (PDF)
View or Download Instructions
PDF
Safety Data Sheet: Flippin' FROG Chlorine Cartridge
Flippin' FROG replacement chlorine cartridge Safety Data Sheet (PDF, Rev. 1, March 2026)
View or Download SDS