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Pool Covers · Head-to-head

Blue Wave NS110 18-Ft Round vs Blue Wave NS420 16x32 Ft

Both made our Best Solar Pool Covers shortlist, at #1 and #3. Here's how they differ and who each one suits.

Quick verdict

Choose the Blue Wave NS110 18-Ft Round Solar Blanket for Above-Ground Pools, 8-Mil if you want highest review count (3,800+) of any solar cover in this roundup, the most-option for round above-ground pools. Choose the Blue Wave NS420 16x32 Ft Rectangle Solar Pool Cover 12-Mil Blue if you'd rather have 12-mil thickness is the sweet spot between an 8-mil cover that tears too easily and a 16-mil cover that costs much more. Overall we rank the Blue Wave NS110 18-Ft Round Solar Blanket for Above-Ground Pools, 8-Mil higher: #1 versus #3 in our Best Solar Pool Covers list.

Winner overall: Blue Wave NS110 18-Ft Round Solar Blanket for Above-Ground Pools, 8-Mil

Side by side

Blue Wave NS110 18-Ft Round Solar Blanket for Above-Ground Pools, 8-Mil vs Blue Wave NS420 16x32 Ft Rectangle Solar Pool Cover 12-Mil Blue compared

Every difference that matters, in one table.

Blue Wave NS110 18-Ft Round Solar Blanket for Above-Ground Pools, 8-Mil versus Blue Wave NS420 16x32 Ft Rectangle Solar Pool Cover 12-Mil Blue
Attribute
Blue Wave NS110 18-Ft Round Solar Blanket for Above-Ground Pools, 8-Mil product photo
Blue Wave NS110 18-Ft Round Solar Blanket for Above-Ground Pools, 8-MilCheck price
Blue Wave NS420 16x32 Ft Rectangle Solar Pool Cover 12-Mil Blue product photo
Blue Wave NS420 16x32 Ft Rectangle Solar Pool Cover 12-Mil BlueCheck price
Our ranking#1 of 10 in Best Solar Pool Covers#3 of 10 in Best Solar Pool Covers
Pick labelTop pick
BrandBlue WaveBlue Wave
Key features8-mil polyethylene bubble construction; 18-ft round sizing for above-ground pools; Raises water temperature up to 10-15 degrees F in full sun12-mil UV-stabilized polyethylene bubbles; 5-year seam warranty; 16x32 ft rectangle fit
Biggest strengthHighest review count (3,800+) of any solar cover in this roundup, the most-option for round above-ground pools12-mil thickness is the sweet spot between an 8-mil cover that tears too easily and a 16-mil cover that costs much more
Main trade-off3 to 5 year lifespan is the shortest of the mil-thickness tiers, needs replacing sooner than a 12-mil coverStill a wear item, expect noticeable bubble degradation by year 4-5 even with the 5-year warranty
Best forMost buyersMost buyers
Decide

Which should you buy?

Blue Wave NS110 18-Ft Round Solar Blanket for Above-Ground Pools, 8-Mil

#1 pick · Top pick

Choose the Blue Wave NS110 18-Ft Round Solar Blanket for Above-Ground Pools, 8-Mil if…

  • Highest review count (3,800+) of any solar cover in this roundup, the most-option for round above-ground pools
  • Lowest price entry point into meaningful heat gain and evaporation control
  • 8-mil thickness is light enough for one person to handle removal and refitting without a reel

Prefer the alternative? See the Blue Wave NS420 16x32 Ft Rectangle Solar Pool Cover 12-Mil Blue section.

Blue Wave NS420 16x32 Ft Rectangle Solar Pool Cover 12-Mil Blue

#3 pick

Choose the Blue Wave NS420 16x32 Ft Rectangle Solar Pool Cover 12-Mil Blue if…

  • 12-mil thickness is the sweet spot between an 8-mil cover that tears too easily and a 16-mil cover that costs much more
  • 5-year seam warranty beats most budget solar covers, which often carry no seam coverage at all
  • Nearly 3,200 ratings at 4.4 stars is a large enough sample to trust the durability claims

Prefer the alternative? See the Blue Wave NS110 18-Ft Round Solar Blanket for Above-Ground Pools, 8-Mil section.

The trade-offs

Pros and cons of each

Blue Wave NS110 18-Ft Round Solar Blanket for Above-Ground Pools, 8-Mil

Pros

  • Highest review count (3,800+) of any solar cover in this roundup, the most-option for round above-ground pools
  • Lowest price entry point into meaningful heat gain and evaporation control
  • 8-mil thickness is light enough for one person to handle removal and refitting without a reel
  • Trimmable edges let it be sized down to match a pool slightly smaller than 18 feet

Cons

  • 3 to 5 year lifespan is the shortest of the mil-thickness tiers, needs replacing sooner than a 12-mil cover
  • Thinner material is more prone to puncture and UV degradation over a season of full sun exposure
  • Round-only sizing, not usable on a rectangular or oval pool

Blue Wave NS420 16x32 Ft Rectangle Solar Pool Cover 12-Mil Blue

Pros

  • 12-mil thickness is the sweet spot between an 8-mil cover that tears too easily and a 16-mil cover that costs much more
  • 5-year seam warranty beats most budget solar covers, which often carry no seam coverage at all
  • Nearly 3,200 ratings at 4.4 stars is a large enough sample to trust the durability claims
  • Fits standard 16x32 rectangular pools without custom cutting

Cons

  • Still a wear item, expect noticeable bubble degradation by year 4-5 even with the 5-year warranty
  • Needs a reel to handle without wrinkling or tearing at this size
  • Adds zero structural weight rating, cannot substitute for a safety cover
  • Heavier per square foot than an 8-mil cover, more work to remove and store
Answers

Blue Wave NS110 18-Ft Round Solar Blanket for Above-Ground Pools, 8-Mil vs Blue Wave NS420 16x32 Ft Rectangle Solar Pool Cover 12-Mil Blue: common questions

Which is better, the Blue Wave NS110 18-Ft Round Solar Blanket for Above-Ground Pools, 8-Mil or the Blue Wave NS420 16x32 Ft Rectangle Solar Pool Cover 12-Mil Blue?

Choose the Blue Wave NS110 18-Ft Round Solar Blanket for Above-Ground Pools, 8-Mil if you want highest review count (3,800+) of any solar cover in this roundup, the most-option for round above-ground pools. Choose the Blue Wave NS420 16x32 Ft Rectangle Solar Pool Cover 12-Mil Blue if you'd rather have 12-mil thickness is the sweet spot between an 8-mil cover that tears too easily and a 16-mil cover that costs much more. Overall we rank the Blue Wave NS110 18-Ft Round Solar Blanket for Above-Ground Pools, 8-Mil higher: #1 versus #3 in our Best Solar Pool Covers list.

What is the difference between the Blue Wave NS110 18-Ft Round Solar Blanket for Above-Ground Pools, 8-Mil and the Blue Wave NS420 16x32 Ft Rectangle Solar Pool Cover 12-Mil Blue?

The Blue Wave NS110 18-Ft Round Solar Blanket for Above-Ground Pools, 8-Mil stands out because highest review count (3,800+) of any solar cover in this roundup, the most-option for round above-ground pools, while the Blue Wave NS420 16x32 Ft Rectangle Solar Pool Cover 12-Mil Blue stands out because 12-mil thickness is the sweet spot between an 8-mil cover that tears too easily and a 16-mil cover that costs much more. The trade-offs differ too: the Blue Wave NS110 18-Ft Round Solar Blanket for Above-Ground Pools, 8-Mil's main caveat is that 3 to 5 year lifespan is the shortest of the mil-thickness tiers, needs replacing sooner than a 12-mil cover, and the Blue Wave NS420 16x32 Ft Rectangle Solar Pool Cover 12-Mil Blue's is that still a wear item, expect noticeable bubble degradation by year 4-5 even with the 5-year warranty.

Is the Blue Wave NS110 18-Ft Round Solar Blanket for Above-Ground Pools, 8-Mil worth it over the Blue Wave NS420 16x32 Ft Rectangle Solar Pool Cover 12-Mil Blue?

For most buyers, yes: it's our #1 pick. Consider the Blue Wave NS420 16x32 Ft Rectangle Solar Pool Cover 12-Mil Blue instead if 3 to 5 year lifespan is the shortest of the mil-thickness tiers, needs replacing sooner than a 12-mil cover is a deal-breaker for you.

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