10 Best Chlorine Dispensers 2025 in the United States

The Floating Chlorine Dispenser by Merkia is a versatile and durable option for maintaining clean and sanitized water in swimming pools, spas, and even aquariums. One of its key strengths is its large capacity, as it can hold up to four 3-inch chlorine or bromine tablets, which reduces the frequency of refills. The dispenser features an adjustable control ring, allowing for customizable chlorine release rates to suit different pool sizes and needs, which is particularly handy for balanced chlorine delivery.

Made from durable ABS plastic, this dispenser is designed to last for years, providing a long-term solution for pool maintenance. Its floating design ensures it remains effective by moving around the pool and reaching every corner. While the product is user-friendly and collapsible for easy storage, it’s worth noting that it does not include the chlorine tablets, which must be purchased separately. Additionally, some users may find the plastic construction, although durable, could be prone to wear over time with constant exposure to harsh pool chemicals.

This dispenser is particularly beneficial for owners of both above-ground and in-ground pools and those looking for an efficient and easy-to-use chlorination solution. It is a popular choice in its category, making it a reliable option for most pool maintenance needs.

The U.S. Pool Supply Floating Chlorine and Bromine Dispenser is designed specifically for small pools, spas, and hot tubs. It holds standard 1-inch tablets, making it easy to refill. One of its main strengths is the 13 adjustable flow control settings, allowing you to fine-tune how much chemical is released based on your water conditions. This flexibility helps keep your water balanced without constant monitoring.

The dispenser is weighted with a flat top, so it stays submerged and won’t get caught in filters or interfere with solar covers, addressing a common annoyance with similar products. Its durable design promises a longer time between refills, even in colder water, meaning less hassle for you.

The capacity is limited to small tablet sizes and quantities, so it’s not suitable for larger pools. Also, while it’s easy to use, the plastic material might not be as long-lasting as metal dispensers over many seasons. This dispenser is a practical, user-friendly choice if you have a small pool or spa and want a reliable, adjustable way to maintain clean water without frequent maintenance.

The U.S. Pool Supply Floating Pool Chlorine and Bromine Chemical Dispenser is designed to keep your pool or spa clean and ready to use with minimal hassle. One of its standout features is the pop-up refill indicator, which is a convenient visual cue for when it's time to add more tablets. This dispenser can hold up to 3 lbs. of 1", 3", or 4" chlorine or bromine tablets, providing flexibility based on your needs.

The adjustable control ring ensures balanced chemical dispersion, promoting an even distribution of chlorine or bromine throughout your pool. This is particularly beneficial for maintaining a healthy and contaminant-free swimming environment. The material and build quality seem robust, contributing to its durability and longevity. However, it's important to note that while the product excels in adjustability and ease of use, the chemical tablets are not included, which means an additional purchase is necessary.

The dispenser's size, with an 8" diameter, is reasonable and should fit well in most pools without being obtrusive. Backed by a trusted brand, it's a reliable choice for pool owners. Some users might find the red band pop-up indicator less noticeable in larger pools or from a distance. In summary, this floating chemical dispenser is a practical and user-friendly option for maintaining pool cleanliness, with a few minor considerations regarding initial setup and visibility.