Why Water Blocks For Pool Cover Is Necessary?
A pool cover is a vital tool for keeping your pool clean and safe. Best water blocks for pool cover help to reduce evaporation losses, save on chemical costs, and keep debris from entering your pool. In addition to these benefits, using the best water blocks for a pool cover can also help protect the surface of swimming pools from UV rays and chemical damage. It adds an extra layer of protection during freezing temperatures that can potentially damage a liner or cause cracking in concrete surfaces due to gaps in coverage between traditional covers.
Our Top Picks For Best Water Blocks For Pool Cover
Best Water Blocks For Pool Cover Guidance
Aqua Blocks Pool Cover Weights for IG Pool Covers – 6 Pack

Aqua Blocks Pool Cover Weights offer an easy and effective solution to quickly and securely hold down your pool cover. These 6 pack weights consist of high-density polyethylene, providing durable and long lasting protection against the elements and preventing your cover from blowing off in the wind. Additionally, each block features a built-in UV inhibitor, offering superior resistance to cracking and fading to maintain its quality. The blocks measure 8-inches wide, 4-inches deep and 3-feet long, providing ample surface area for secure anchoring. With Aqua Blocks, you can ensure your pool cover will stay in place in any weather condition and you won’t have to worry about it blowing away. Safely secure your pool with these superior pool cover IDs and keep it looking new for longer.
Common Questions on Aqua Blocks Pool Cover Weights for IG Pool Covers – 6 Pack
• How many weights are included in the Aqua Blocks Pool Cover Weights for IG Pool Covers – 6 Pack?This weight bundle contains all 6 weights.
• What material is used to make the Aqua Blocks Pool Cover Weights?
The weights are made with a heavy-duty, UV resistant plastic.
• Are the Aqua Blocks Pool Cover Weights weather-resistant?
Yes, the weights are resistant to harsh elements, so they will last for many years.
• What size are the Aqua Blocks Pool Cover Weights?
Each weight measures 7.8”W x 11.0”L x 4.3”H.
• Will the Aqua Blocks Pool Cover Weights fit all IG pool covers?
Yes, the weights will fit most IG pool covers.
• How much weight can the Aqua Blocks Pool Cover Weights hold?
Each weight has a maximum load capacity of 225 pounds.
Why We Like This
• 1. Durable construction from high density black polyethylene.• 2. UV inhibitor to resist cracking and fading.• 3. Easy to use with IG pool covers.• 4. 6 pack of Aqua Blocks for plenty of weight for pool covers.• 5. Dimensions of 8 in wide x 4 in deep x 3 ft long.
Additional Product Information
Color | Aqua |
Weight | 2 Pounds |
Doheny’s Water Blocks for In-Ground Swimming Pool Winter Covers | Longer Lasting Alternative to Old-Fashioned Water Bags! | Water Blocks Stack for Easy Summer Storage (24)

Doheny’s Water Blocks, a long-lasting alternative to old-fashioned water bags and tubes, are crafted from high-density, molded and formable polyethylene that has been specifically engineered to protect against the toughest winters. These blocks have an exclusive UV inhibitor to prevent fading or cracking, and a simple and modern design with a low profile and appealing shape to enhance the look of any pool.
What makes Doheny’s Water Blocks stand out is that they are 20% wider than the competition, meaning they are sturdier and more stable, able to withstand even the most windy conditions without moving or flipping over. They are also simple to use and easy to handle, simply place the blocks around the edge of your pool cover, fill with water from your garden hose, and then snap the top lid on. Plus, as with all our products, Doheny’s Water Blocks nest and easily stack for easy summer storage. To allow room for expansion due to freezing, only fill water blocks ¾ full.
For an effective, professionally crafted winter cover, Doheny’s Water Blocks provide a longer lasting and more aesthetically pleasing solution compared to traditional water bags and tubes.
Common Questions on Doheny’s Water Blocks for In-Ground Swimming Pool Winter Covers | Longer Lasting Alternative to Old-Fashioned Water Bags! | Water Blocks Stack for Easy Summer Storage (24)
• What are Doheny’s Water Blocks?Doheny’s Water Blocks are a longer-lasting alternative to old-fashioned water bags for in-ground swimming pool winter covers. The water blocks stack for easy summer storage.
• How many Water Blocks are needed to cover a pool?
The number of water blocks needed will depend on the size of the pool. Generally, 1 block is recommended for every 4-5 feet of pool.
• Are Doheny’s Water Blocks environmentally friendly?
Yes. Doheny’s Water Blocks are made from recycled polyethylene, which is reusable and recyclable.
• How strong are Doheny’s Water Blocks?
Doheny’s Water Blocks are designed to withstand up to 2,500 lbs. of pressure, ensuring a secure and snug fit for any in-ground pool.
• What are the benefits of using Doheny’s Water Blocks?
Benefits include increased longevity compared to traditional water bags, an easy stacking design for efficient storage, and environmental friendliness.
Why We Like This
1. 20% wider than the competition to ensure that our blocks do not move or flip over during windy conditions.
2. Longer lasting alternative to old fashioned, less expensive water tubes.
3. Crafted from high density, molded and formable polyethylene engineered to survive the toughest winters.
4. Simple to use and easy to handle.
5. Nestable and easily stack for easy summer storage.
Additional Product Information
Height | 0.01 Inches |
Length | 7.25 Inches |
In-ground Swimming Pool Cover Weight Blocks (20-Pack)

In-ground swimming pool covers are incredibly important for keeping pools safe and secure. They act as an effective barrier between the pool and the surrounding environment, helping to reduce debris, leaves, and more from entering your swimming area. Weight blocks are commonly used in conjunction with these types of pool covers to ensure they stay in place while also providing necessary protection.
Swimming pool weight blocks, or anchors, are typically made of heavy and durable plastic material, and their weight helps keep the cover held firmly to the ground by counterbalancing the force of wind, rain, and other exterior elements that could potentially move it away from the pool’s sides. Generally, the preferred size and shape of the block will depend on the size and shape of your in-ground swimming pool and the measurement of the cover itself.
A 20-pack of in-ground swimming pool cover weights is usually an ideal place to start for pool owners. Each water block typically weighs between four to five pounds for most standard sizes, so this number ensures a sufficient amount of weight is hoded in place without excess or overkill. The actual size of the block can range from four to eight inches. It is important to carefully consider the ratio of cover length to block size when picking weights,
Common Questions on In-ground Swimming Pool Cover Weight Blocks (20-Pack)
Why We Like This
• 1. Durable and weather resistant construction for long lasting use.• 2. Made of heavy duty plastic for maximum strength and stability.• 3. Easy to install and remove with included straps.• 4. Designed to fit most standard in ground swimming pools.• 5. Includes 20 weight blocks to secure your pool cover in place.
Harris Pool Products Water Blocks for In-Ground Swimming Pool Winter Covers | Longer Lasting Alternative to Old-Fashioned Water Bags! | Water Blocks Stack for Easy Summer Storage (12)

Harris Pool Products Water Blocks are the longer lasting alternative to old-fashioned water bags. Our innovative design features a low profile and appealing shape to help complement any pool, while also providing a 20% wider coverage than the competition. Each block is crafted from durable and formable polyethylene and includes a UV protector to ensure it survives even the harshest winters.
Setting up the water blocks is easy—simply place them around the cover’s edge, fill with water using a garden hose, then snap on the top lid. To make storing easier, these blocks are nestable and can be stacked for the summer season. Keep in mind, to allow room for expansion due to freezing, it’s best to fill the blocks ¾ of the way full.
In comparison to other winter covers, our water blocks save homeowners money in the long-term. They’re far more resilient and reliable, helping to extend the life of your winter protection. With Harris Pool Products, you’ll be able to rely on your winter cover for years to come.
Common Questions on Harris Pool Products Water Blocks for In-Ground Swimming Pool Winter Covers | Longer Lasting Alternative to Old-Fashioned Water Bags! | Water Blocks Stack for Easy Summer Storage (12)
• What are Harris Pool Products Water Blocks for In-Ground Swimming Pool Winter Covers?Harris Pool Products Water Blocks for In-Ground Swimming Pools are an alternative to traditional water bags for winter covers. They are specially designed to fit securely on top of the pool cover to protect against freezing temperatures and ice build up. The blocks are stackable for easy summer storage.
• How do the water blocks secure the pool cover?
They attach around the edge of the swimming pool and feature slots that are designed to weave between the straps that secure the pool cover itself.
• What materials are Harris Pool Products Water Blocks crafted from?
The blocks are constructed from a food-grade, BPA-free plastic, making them safe to use on any in-ground pool system.
• How long can the water blocks last?
When properly installed, they can last the duration of multiple seasons. It is important to inspect the blocks each season to make sure they are secure and free of any cracks or damage.
• How do you store the blocks in the summer?
The design of the blocks makes them easy to stack for convenient
Why We Like This
• 1. 20% wider than other water blocks for maximum stability.• 2. Longer lasting alternative to old fashioned, less expensive water tubes.• 3. Simple to use and easy to handle and install.• 4. NESTable and stack for easy summer storage.• 5. Allow room for expansion due to freezing by only filling water blocks ¾ full.
SWIMLINE 6 Pack 8 Ft Double Chamber Water Tubes for Inground Swimming Pool Winter Cover W2050

Common Questions on SWIMLINE 6 Pack 8 Ft Double Chamber Water Tubes for Inground Swimming Pool Winter Cover W2050
• What are the dimensions of the SWIMLINE 6 Pack 8 Ft Double Chamber Water Tubes?The SWIMLINE 6 Pack 8 Ft Double Chamber Water Tubes measure 36″ x 8′ when fully inflated.
• What is included in the SWIMLINE 6 Pack 8 Ft Double Chamber Water Tubes?
The SWIMLINE 6 Pack 8 Ft Double Chamber Water Tubes includes 6 tubes and a patch kit.
• What is the circumference of the SWIMLINE 6 Pack 8 Ft Double Chamber Water Tubes?
The circumference of the SWIMLINE 6 Pack 8 Ft Double Chamber Water Tubes is approximately 25 feet when fully inflated.
• Can the SWIMLINE 6 Pack 8 Ft Double Chamber Water Tubes be used as a winter cover over an inground swimming pool?
Yes, the SWIMLINE 6 Pack 8 Ft Double Chamber Water Tubes can be used as a winter cover over an inground swimming pool.
• Are the SWIMLINE 6 Pack 8 Ft Double Chamber Water Tubes made of durable materials?
Yes, the SWIMLINE 6 Pack 8 Ft Double Chamber Water Tubes are made of durable reinforced vinyl for long
Why We Like This
• 1. Specifically designed for use with in ground pool covers.• 2. 8 ft long tubes feature heavy duty 18 gauge vinyl construction.• 3. Halkey Roberts no leak valves provide secure closure and prevent water leakage.• 4. Easily fills with garden hose for quick and convenient installation.• 5. Pool cover water weight helps keep pool cover securely in place during winter season.
Additional Product Information
Color | Blue |
Weight | 2 Pounds |
Benefits of Water Blocks For Pool Cover
Water blocks are a great way to reduce heat loss and keep your swimming pool temperature regulated. They help to prevent evaporation, insulate your pool against the elements, and also protect it from UV damage. The best water blocks for pool cover provide multiple benefits such as:
1) Reduced Heat Loss – Protein based water blocks act as barriers for ventilation on top of the cover, making them effective in reflecting solar radiation back into the atmosphere instead of escaping through the air pockets caused by bubbles that usually form when traditional covers are laid down. This helps maintain a constant temperature while saving energy costs too!
2) Protection Against UV Damage – Sunlight can be damaging to both pools and swimmers alike with unprotected skin being exposed after long periods in direct sunlight exposure. Water Blocks attenuate ultraviolet (UV) light rays coming from above providing protection not only against heat transmission but adverse effects due to excessive ultraviolet radiation exposure as well like skin irritation or burning sensation which can be avoided altogether with this technology being used regularly for extreme climates where this risk looms particularly high!
3) Durability – Water Blocks remain unaffected by weathering; perfect solution if you’re looking longer term coverage without having worry about constantly replacing old flimsy covers every season due their inferior durability despite common misconception these materials don’t shrink over-time either meaning once put down they will stay exactly how wanted them leaving newer models unnecessary alterations tedious cleaning maintenance required elsewhere!
4).
Frequently Asked Question
What are the best water blocks for a pool cover?
Some of the best water blocks for a pool cover are foam pool covers, liquid pool covers, automatic pool covers, and safety pool covers. Foam pool covers are an effective way to reduce evaporation from the pool surface and can help keep the water temperature consistent. Liquid pool covers are an easy way to reduce water loss and also help reduce evaporation. Automatic pool covers are an efficient way to keep your pool covered and safe when not in use. Safety pool covers are heavy-duty covers that are designed to protect children and pets from accidental drowning.
Which type of water blocks are most reliable and durable for pool cover installation?
The most reliable and durable type of water blocks for pool cover installation are concrete blocks. They are heavier and more difficult to install than other types of blocks, but they are also more durable and less likely to shift or break over time. Additionally, concrete blocks are less susceptible to damage from UV rays, weather, and other environmental factors than other types of blocks.
What features should be taken into account when shopping for water blocks for a pool cover?
When shopping for water blocks for a pool cover, it is important to take several features into account: 1. Durability: Make sure to choose blocks that are made from high-quality materials such as rubber or polyethylene that are designed to last through harsh weather conditions and are resistant to cracking, splitting, and fading. 2. Size: Ensure that the blocks you choose are the right size for your pool cover. Measure the area of the pool cover to make sure you get the right number of blocks. 3. Weight: Make sure the blocks are heavy enough to stay in place when filled with water. Heavier blocks will provide more stability and protection from wind and other elements. 4. UV protection: Look for blocks that offer UV protection to ensure that the pool cover won’t be damaged by the sun. 5. Price: Consider the cost of the blocks and make sure that you’re getting the best deal for your budget.