The 9 best pool opening kits of 2025

Effortless Pool Opening: Take the guesswork out of spring pool prep with Doheny’s Pool Start-Up Kit—everything you need for a clean, swim-ready pool!

All-in-One Convenience: No need to buy separate chemicals! Our kits treat pools from 10,000 to 30,000 gallons and include easy-to-follow instructions.

Ultimate Start-Up Kit Includes: Doheny’s Metal Out (Stain, Rust & Scale Preventer), Spring Control, Water Clarifier, and Premium Super Shock Plus—plus a FREE 10-pack of test strips!

Most Powerful Start-Up Kit: The Pool Master Natural Chemistry Start-Up Kit includes everything in the Ultimate Kit plus 1-quart bottles of Metal Free & Pool Magic Spring & Phos-Free for extra protection!

For Larger Pools: Simply purchase multiple kits to cover bigger pool sizes with the same powerful treatment!

Save time and take the guesswork out of measuring chemicals when opening your pool with our pre-measured pool opening kits.

(4) bags of 99% sodium dichlor (Di-Zap), which will get your pool water clean, clear, and safe to swim in.

Clarifier keeps your water crystal clear by coagulating dirt, which helps your filter be more efficient.

Algaecide works in conjunction with pool shock to defend against multiple types of algae from invading your swimming pool.

Sun sorb oil and scum absorber will soak up suntan oils, body oils, grime, and scum, keeping your water clear.

Save time and take the guesswork out of measuring chemicals when opening your pool with our pre-measured pool opening kits.

(2) bags of 99% sodium dichlor (Di-Zap), which will get your pool water clean, clear, and safe to swim in.

Clarifier keeps your water crystal clear by coagulating dirt, which helps your filter be more efficient.

Algaecide works in conjunction with pool shock to defend against multiple types of algae from invading your swimming pool.

Sun sorb oil and scum absorber will soak up suntan oils, body oils, grime, and scum, keeping your water clear.

Effortless Pool Opening: Take the guesswork out of spring pool prep with Doheny’s Pool Start-Up Kit—everything you need for a clean, swim-ready pool!

All-in-One Convenience: No need to buy separate chemicals! Our kits treat pools from 10,000 to 30,000 gallons and include easy-to-follow instructions.

Ultimate Start-Up Kit Includes: Doheny’s Metal Out (Stain, Rust & Scale Preventer), Spring Control, Water Clarifier, and Premium Super Shock Plus—plus a FREE 10-pack of test strips!

Most Powerful Start-Up Kit: The Pool Master Natural Chemistry Start-Up Kit includes everything in the Ultimate Kit plus 1-quart bottles of Metal Free & Pool Magic Spring & Phos-Free for extra protection!

For Larger Pools: Simply purchase multiple kits to cover bigger pool sizes with the same powerful treatment!

Complete Pool Opening Kit: AquaDoc's Pool Starter Kit for inground and above ground pools eliminates guesswork, saving you valuable time during pool start up. This pool starter kit includes Algaecide, Pool Starter, Water clarifier, Shock, Stain & Scale remover and test strips.

Effortless Startup for All Pools: Suitable for salt water and intex pools, this pool chemical start up kit removes winter residue and a extra strength oxidizing pool shock that oxidizes pool water and eliminates organic contaminants.

Powerful Pool Algae Prevention: Compatible with various sanitizing systems, the double whammy Pool Algeacide in the pool startup kit both removes & defends your pool against algae for 90-days, keeping your pool opening easy breezy.

Pool Starter Set for Crystal Clear Water: Our super-concentrated pool water clarifier quickly clarifies pool water while the pool Stain and Scale remover eliminates metals and scale buildup, improving filter efficiency, and reducing pool chemical consumption.

Pool Filter Compatibility: AquaDoc's Opening Pool Kit is your solution for a perfect pool opening this season. Designed for compatibility with Cartridge, DE, and Sand filters, AquaDoc's Pool Starter Kit for inground pool works seamlessly making pool maintenance a breeze.

Save time and eliminate the guesswork with our pre-measured pool opening kits, ensuring a hassle-free start to your pool season.

Our 3-Inch Tabs contain 99% Trichloro-S-Triazinetrione with 90% stabilized chlorine. This slow-dissolving, UV-protected formula is ideal for floaters and automatic feeders.

Algaecide works alongside pool shock to protect your swimming pool from various types of algae.

Clarifier enhances water clarity by coagulating dirt, while The Sun Sorb oil and scum absorber effectively absorbs suntan oils, body oils, grime, and scum, ensuring clear water and improving filter efficiency.

Bundle includes 25 pound bucket of 3 inch stabilized chlorine tablets and 15,000 gallon start up kit

BENEFITS: Fight a severe algae bloom and transform your swimming pool water from green to blue in 24 hours with this easy-to-use system

EASY TO USE: Simple 2-step system; Pack I is a strong algae-fighting pool shock with Cal Hypo; Pack II is a powerful flocculant that drops particles to floor for easy vacuuming

VISIBLY BRILLIANT SPARKLE: This Cal Hypo based formula transforms water from green to blue within 24 hours without adding cyanuric acid (CYA) to prevent overstabilization or chlorine lock

COMPATIBLE WITH ALL SWIMMING POOLS: This product is effective for all pool types that can vacuum to waste; It’s ideal for vinyl-lined pools and won't fade liners

YOU'RE ALL CLEAR WITH HTH: For best results, use with HTH 6-Way Test Strips to test and balance your swimming pool water twice weekly

The Pool Enzyme that Helps with Effortless Pool Opening: AquaDoc's Pool Starter chemical tackles winter's stubborn debris - complementing you pool opening kit for both inground and above-ground pools.

A Must-Have Pool Enzyme Product for Pool Opening Routine: AquaDoc's Pool Opener contains natural enzymes to save time and energy opening your pool. Enzymes break down non-living, organic materials to help give you clear your water - faster.

Pool & Filter Compatibility: AquaDoc's Opening pool kit works seamlessly with cartridge, DE, and sand filters in all pool types, from inground and above-ground and DIY models.

Works for all sanitizers and pool types: Great for both Above Ground and Inground Pools. This pool starter chemical works with bromine, chlorine, and saltwater sanitized pools.

Made in the USA: All pool chemicals from AquaDoc are proudly made in the USA and held to the highest quality standards.

Easy to use; simply place in skimmer; automatically dispenses

Makes pool openings faster and easier than ever

Saves you time and money

Safe for all surfaces and filters

All-in-one formula is an exclusive 4-part blend to make spring openings faster and easier