Opening Kit and Chlorine Bundle - Pre-Measured Pool Start Kit for Up

Our review covers the Opening Kit and Chlorine Bundle, a pre-measured pool start solution aimed at owners of inground and above ground pools up to 7,500 gallons. The bottom line: this bundle removes much of the guesswork from spring opening with a complete 7,500 gallon start kit plus a 10 lb bucket of 3 in stabilized chlorine tablets, so the biggest reason to buy is convenience - the set combines a fast-acting shock and ongoing chlorination in one purchase. For busy pool owners who want clear water quickly, it is an effective, time-saving option.

Key Features

• Pre-measured opening kit: Eliminates guesswork during spring opening by providing measured doses meant for pools up to 7,500 gallons, saving time and uncertainty.
• 10 lb bucket of 3 in stabilized tablets: Supplies ongoing chlorination compatible with floaters and automatic feeders to maintain sanitizer levels between shocks.
• Fast-acting shock (Cal-Hypo): Rapidly tackles algae, bacteria, and organic contaminants to clear cloudy water after winter or heavy use.
• Clarifier included: Coagulates fine dirt and particles so the filter can remove them more efficiently and yield clearer water faster.
• Sun Sorb oil and scum absorber: Removes suntan oils, body oils and grime that can cause scum lines and reduce filter performance.
• Bundle shipping note: Items may arrive in multiple packages from different locations, so expect delivery across separate days.

Who It's For

This bundle is best for residential pool owners with pools up to 7,500 gallons who prefer a simple, guided start-of-season routine and do not want to measure individual chemicals. It suits people using automatic chlorinators or floaters who want a steady supply of stabilized tablets alongside a shock treatment and clarifier.

It is less appropriate for owners of much larger pools, those needing custom water chemistry adjustments due to unusual water conditions, or users who prefer to mix their own precise chemical dosages for advanced treatment plans.

Pros & Cons

Pros

• Convenient pre-measured kit removes guesswork at opening, saving time.
• Cal-Hypo shock works fast to clear algae and contaminants for quick recovery of water clarity.
• Includes clarifier and Sun Sorb to improve filter efficiency and remove oils that cause scum.
• 10 lb bucket of 3 in stabilized tablets provides ongoing, easy chlorination for routine maintenance.

Cons

• Chlorine level results are mixed for some users; it may require monitoring and adjustment to reach target levels.
• Tablets can break in handling for a few users, so care is needed when storing and loading feeders.

Specifications

Brand	In The Swim
Includes	7,500 gallon start up kit and 10 lb bucket of 3 in stabilized chlorine tablets
Chlorine tablet size	3 in stabilized tablets
Shock type	Calcium hypochlorite (Cal-Hypo) fast-acting shock
Target pool size	Up to 7,500 gallons
Special items	Clarifier and Sun Sorb oil and scum absorber
Shipping note	May ship in multiple packages arriving on separate days

Our Verdict

The Opening Kit and Chlorine Bundle is a practical, value-oriented choice for most residential pool owners with pools up to 7,500 gallons who want an easy, mostly hands-off spring opening and routine chlorination. It combines a fast shock, clarifier and ongoing stabilized tablets into one purchase, making it a time-saving option, though owners should monitor chlorine levels and handle tablets carefully to avoid breakage.

Frequently Asked Questions

Will this work for both inground and above ground pools?
Yes, the bundle is designed for use with both inground and above ground pools rated up to 7,500 gallons.

Do the tablets work in automatic chlorinators?
Yes, customers report these 3 in stabilized tablets work well in automatic chlorinators and floaters, but monitor levels to adjust feed rate as needed.

Why might items arrive separately?
The bundle may ship from multiple locations, so components can arrive in separate packages on different days; allow an extra day or two for all parts to be delivered.