Pool Frog Bac Pac 5051 Replacement Cartridge

Pool Frog Bac Pac 5051 Replacement Cartridge: Easy, No-Touch Chlorine for Your Pool

When your Pool FROG system needs a fresh chlorine cartridge, the Pool Frog Bac Pac Model 5051 (01-03-5880) is the correct pre-filled replacement for compatible Pool FROG mineral systems. It delivers chlorine gradually for approximately one to three weeks, depending on pool size and operating conditions, so you can maintain a consistent sanitizer level without handling loose chlorine tablets every day.

Available from EZ Pool & Spa Supply, this genuine-style replacement Bac Pac is made for pool owners who want a convenient, controlled way to keep their water sanitized between refills.

What Is the Pool Frog Bac Pac 5051?

The Pool Frog Bac Pac 5051 is a disposable chlorine cartridge that fits into a compatible Pool FROG Cycler. It contains 2.2 pounds of pre-filled chlorine tablets and is designed to release a low, steady chlorine dose as water circulates through the system. Rather than adding tablets to a floating dispenser, skimmer, or feeder by hand, you install the sealed Bac Pac into the cycler and adjust the system’s control dial to regulate chlorine delivery.

The cartridge contains 99% trichloro-s-triazinetrione, commonly called trichlor, with 90% available chlorine. It is intended for use as part of the broader Pool FROG mineral-and-chlorine sanitation system—not as a refillable tablet container.

Why pool owners choose Bac Pac cartridges

• No direct tablet handling: The pre-filled cartridge means you do not need to touch, measure, or load chlorinating tablets.

• Adjustable chlorine feed: Use the Pool FROG Cycler’s control dial to increase or decrease chlorine output as pool conditions change.

• Longer-lasting sanitation: One Bac Pac typically provides chlorine for one to three weeks, although actual life depends on pool volume, water temperature, bather load, sunlight, pump runtime, weather, and dial setting.

• Convenient replacement: When the cartridge is empty, remove it and install a new one—do not open, refill, or reuse the Bac Pac.

For product details and current purchase availability, shop the Pool Frog Bac Pac Model 5051, part number 01-03-5880, at EZ Pool & Spa Supply.

Pool Frog Bac Pac 5051 Compatibility

Before ordering, confirm the series number on your existing Pool FROG Cycler or mineral system. The Pool Frog Bac Pac 5051 replacement cartridge is designed for the following Pool FROG systems:

The Bac Pac works with both compatible above-ground and in-ground Pool FROG mineral reservoir systems. It is inserted into the Pool FROG Cycler, where the system controls how quickly pool water flows through the chlorine cartridge.

If you use a Pool FROG 6100 Fresh Mineral Water System, this is the replacement chlorine cartridge to pair with your mineral reservoir. For pool owners replacing both components at the start of the season, the mineral reservoir provides the mineral treatment while the Bac Pac supplies the controlled chlorine dose.

How the Bac Pac Works With Pool FROG Minerals

The Pool FROG system combines two approaches to pool sanitation:

1. A Pool FROG Mineral Reservoir releases minerals over time to help control bacteria and support water balance.

2. The Bac Pac provides a controlled, low-level chlorine residual to complete the sanitation program.

When used together, the mineral reservoir and Bac Pac help destroy bacteria in two ways. Pool FROG states that its mineral system can reduce chlorine use by up to 50% compared with maintaining the minimum EPA-recommended 1.0 ppm chlorine level in a stabilized pool. Pool owners should still follow product directions, test water routinely, and maintain the required free available chlorine level for their specific system and local requirements.

The key advantage is convenience: instead of repeatedly feeding tablets into a chlorinator, the pre-filled Bac Pac supplies chlorine automatically while the pool circulation system operates.

How to Install a Pool Frog Bac Pac 5051

Always read and follow the label and the manual for your specific Pool FROG system. The basic installation process is straightforward:

1. Balance pool water to a pH of 7.2 to 7.8.

2. Use chlorine shock to bring the pool’s free available chlorine residual to 1.0 ppm, following the shock manufacturer’s label.

3. Stabilize the pool with cyanuric acid as directed by the product label.

4. Remove the cap from the Pool FROG Cycler.

5. Remove the colored caps from the new Bac Pac.

6. Hold the cartridge with its open end facing downward and insert it into the Pool FROG Mineral Reservoir.

7. Align the cartridge with the key at the bottom of the cycler. Do not force it into place.

8. Replace the cycler cap and set the control dial according to the system manual’s pool-size and pump-runtime chart.

9. Test free available chlorine daily for the first week and adjust only one dial setting per day until you maintain at least 0.5 ppm. Do not enter the pool until the chlorine residual is at least 0.5 ppm.

Once you identify the appropriate setting for normal conditions, the dial typically does not need frequent adjustment. However, rain, hot weather, heavy pool use, increased sunlight, and a higher bather load can change chlorine demand. In those situations, test the water and adjust the dial as needed.

Important Bac Pac Safety and Care Tips

The Pool Frog Bac Pac 5051 is made to be a single-use, sealed cartridge. Proper use protects your equipment, supports consistent chlorine delivery, and helps avoid accidental over-chlorination.

• Do not open, refill, alter, or reuse the Bac Pac.

• Do not remove the cartridge label.

• Some tablet settling can occur during shipping; this is expected and does not mean the cartridge is damaged.

• Check the Bac Pac periodically and replace it when empty.

• Before superchlorinating or shocking the pool, turn the Pool FROG Cycler dial to Minimum or Setting 0.

• Do not add shock directly to the skimmer.

• Once the desired free available chlorine level has been restored after shocking, return the cycler dial to its normal operating setting.

Using the correct cartridge matters. A properly fitted Pool FROG Bac Pac is designed to align with the keyed cycler system, helping ensure the chlorine feed operates as intended.

Buy the Correct Pool Frog Bac Pac Replacement

If you are searching for a Pool Frog Bac Pac 5051 replacement, 01-03-5880, Pool FROG chlorine cartridge, or a no-touch chlorine refill for a compatible 5100, 5200, 5400, 5600, or 6100 system, this is the replacement part to consider.

The pre-filled 2.2-pound cartridge takes the guesswork out of routine chlorine additions, gives you adjustable chlorine delivery, and works with the Pool FROG mineral system for a simpler approach to pool care.

Shop the Pool Frog Bac Pac Model 5051 (01-03-5880) from EZ Pool & Spa Supply and keep your compatible Pool FROG system ready for the next stretch of swim season.