Hiboom Pool cover water weights 12-piece (8 ft tubes + 2 ft corner tubes) 12‑gauge vinyl, screw-cap for winter

These water weight tubes from Hiboom combine long 8-foot double-chamber tubes and square corner tubes to anchor winter pool covers without drilling or permanent attachments. Made from 12-gauge (0.3 mm) vinyl with a screw cap seal, the set is built to resist cold down to -10°F (-25°C) and reduce cover movement in wind or snow. The included caps make filling quick with a garden hose and allow partial filling to leave room for ice expansion.

How do these water bags keep my pool cover in place?

The tubes act as a removable ballast that conforms to the pool cover edge and corners, adding weight to prevent uplift and shifting. The double-chamber long tubes lie flat along straight edges while the square corner tubes sit neatly at each corner for a continuous seal.

• Place 8 x 8 ft double-chamber tubes along the cover sides for linear weight distribution.
• Set 4 x 2 ft corner tubes at each corner to block gaps and reduce cover flapping.
• Screw-cap closures prevent leaks once filled 1/2–3/4 full to allow freeze expansion.

What are the materials and weather limits of these weights?

Constructed from durable vinyl rated at 12 gauge (approximately 0.3 mm), these bags resist punctures, UV fading and cold weather brittleness better than thinner alternatives. The product is specified to perform in temperatures down to about -10°F (-25°C), making it suitable for typical winter conditions in many climates.

• Material: sturdy vinyl for abrasion and cold resistance.
• Thickness: 12 gauge (0.3 mm) for added durability vs lightweight bags.
• Cold tolerance: designed to withstand temperatures as low as -10°F (-25°C).

How do I fill, secure and maintain the Hiboom water tubes?

Filling is straightforward with a common garden hose; partially fill each tube to allow room for ice expansion and then close the screw cap. For best performance, check all caps for tight seals and store unused pieces indoors to extend service life. If caps are stiff, warm them briefly in hot water to make closing easier.

• Fill 1/2–3/4 full, not completely full, to leave freeze allowance.
• Use the screw caps included with each tube to prevent leaks.
• Clean and store indoors off-season to prevent UV and cold wear.

How many tubes are included and what sizes should I expect?

The set supplies eight long double-chamber tubes plus four corner tubes to cover a typical rectangular inground pool. The long tubes measure roughly 1 x 8 ft (30 x 240 cm) and the square corner tubes measure about 2 x 2 ft (60 x 60 cm), offering a balanced combination for edges and corners.

• Contents: 8 double-chamber tubes + 4 corner tubes (12 pieces total).
• Long tube size: approximately 1 x 8 ft (30 x 240 cm).
• Corner tube size: approximately 2 x 2 ft (60 x 60 cm).

Who is this for? Hiboom water weights are intended for pool owners who prefer a non-invasive, reusable method to secure inground winter covers—especially those with rectangular pools. They suit homeowners who want a simple hose-fill solution without straps or anchors, need cold-resilient materials, and value a set that includes corner-specific pieces for extra coverage. Check pool cover dimensions and edge layout before purchasing to ensure the 8 ft tubes and 2 ft corner bags meet your installation needs.