Pool Cover Water Bags, 6-Pack 4 ft PVC Tubes, Blue

Pool cover water bags add steady weight to keep winter pool covers in place, helping reduce wind lift and debris entry during closing season. This 6-pack of single-chamber water tubes is built from thick, flexible PVC with heat-sealed seams and a screw cap gasket to support leak-resistant anchoring. Easy to fill, drain, and store, they’re designed for inground pool cover setups and quick, solo placement.

• Delivers added hold-down weight to help secure pool covers against wind and shifting.


• Includes 6 single-chamber tubes for faster placement and simpler adjustments.


• Resists leaks with high-frequency welded seams and a wide reinforced edge.


• Seals tightly with a twist screw cap, rubber gasket, and tether to reduce cap loss.


• Handles seasonal changes; fill to 50–70% to allow expansion and reduce rupture risk.

Skip improvised weights and make winter closing cleaner and more predictable. These PVC pool cover water tubes are made to sit neatly along cover edges, adding consistent ballast without complicated hardware. The single-chamber design speeds up filling and makes repositioning easier when weather changes. For best results, tighten the cap after sliding the retaining ring down the spiral pattern for a secure seal. Grab yours today and prep your pool cover for the season ahead.

• Set size: 6-piece set


• Dimensions (each): 47.63 x 7.87 in (1210 x 220 mm)


• Chamber: Single chamber


• Material thickness: 0.02 in / 0.40 mm PVC


• Seams: High-frequency welded; edge width 0.59 in / 1.5 cm


• Net weight (set): 3.53 lb / 1.60 kg


• Color: Blue