Above Ground Pools & Accessories

Use our accurate pool volume calculator below to determine your total gallons in seconds for your round, oval, or rectangular above ground pool — then scroll down to calculate exactly how much chlorine your pool needs.

If you want an easy, no-guesswork way to get your pool swim-ready fast, the right pool opening Kit  makes all the difference! The In The Swim pool start-up kits come in multiple sizes (right-sized for different gallonages) and are built to simplify opening day: stain & scale preventer, clarifier, shock, algaecide, test strips and an oil-absorbing Sun-Sorb are included in the various kit sizes (the amount of each product will depend on the kit size). What’s in each kit (the es

Pool is green! How to clear algae from your above-ground pool and restore clear water. A green, algae-filled pool can be alarming, but it’s fixable with the right steps.

If you’re fed up with juggling jars of chlorine, itchy eyes, and that “chemical” pool smell, the Intex Krystal Clear Saltwater System is one of the easiest ways to get softer, clearer water with far less maintenance. Intex’s Krystal Clear Saltwater System converts a small amount of ordinary pool salt into chlorine automatically — the result is gentler water and fewer shock treatments.

Keep your pool sparkling clean and inviting with our essential guide on pool shock! Discover key tips for a healthy, clear swimming experience.

Keeping an above ground pool balanced is the secret to clear water, comfy swim feel, and longer-lasting equipment. ARM & HAMMER Clear Balance Tablets (24 pack) are baking-soda based alkalinity and pH maintenance tablets that make it simple to maintain stable pool chemistry — especially helpful for busy above-ground pool owners who want low-fuss pool care.

If you want a straightforward pool shock that kills bacteria, prevents algae, and clears cloudy water fast, the HTH Pool Care Shock Advanced — the Cal Hypo formula sold as 1-lb bags (12-pack) — is built for that job.

The EASYTEST 7-Way Pool Test Strips (150) are an excellent, low-cost way to stay on top of your pool chemistry. They cover the essential parameters — bromine, total alkalinity, pH, free chlorine, total hardness, cyanuric acid, and total chlorine — in one simple strip. For busy pool owners who want reliable, routine checks without fuss, these strips are a solid choice.

If you want a single product that both kills and prevents algae and also helps clear cloudy water, Clorox® Pool&Spa™ Algaecide + Clarifier is a widely used option worth knowing about. Below we'll cover what it is, how it works, dosing for different situations (including small above-ground pools), safety notes and some pros & cons.

If you run an above ground pool, keeping water clear and safe all season is top priority — and a reliable sanitizer is essential. Clorox Pool&Spa XTRA BLUE 3-inch chlorinating tablets are a popular choice for many pool owners because they’re slow-dissolving, stabilized (sunlight-protected), and formulated to kill bacteria and prevent algae.

The In The Swim Basic Opening Chemical Start Up Kit is a convenient, cost-effective way to get your above-ground pool ready for the season. It packages the essential chemicals, supplies clear dosing steps, and is a solid first purchase for budget-minded pool owners who want predictable results without complexity.

The Merkia 7.5" Large Floating Chlorine Dispenser is a simple, inexpensive way to keep your above-ground pool sanitized without constant fuss. Built to hold standard 1"–3" chlorine tablets, the Merkia floater offers an adjustable release, a stable wide base to resist tipping, and an easy top-loading cap — ideal for homeowners who want reliable, low-maintenance chlorination and a low-cost affiliate pick to recommend.

For anyone seeking a no-nonsense winterizing solution, the Poolhacker Pool Winterizing Kit delivers on simplicity, efficacy and value. Toss in the balls, cover your pool, and rest easy knowing mineral deposits, stains and algae won’t stand between you and your first spring dip.

Whether you’re upgrading from manual algaecide tabs or seeking a set-and-forget solution, PoolRx+ offers a scientifically proven, mineral-powered defense against algae and bacteria.

A floating chlorine dispenser is a device designed to hold chlorine tablets and float on the surface of your pool. It gradually releases chlorine into the water, ensuring that your pool remains sanitized and free of harmful bacteria or algae.