● Pool Covers · Comparison

WaterWarden Premium Pool Safety Cover vs WaterWarden Inground Pool Safety Cover

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

✎ PickHonest Research Desk▦ Updated October 15, 2026◷ 6 min read

As an Amazon Associate I earn from qualifying purchases. Picks are based on manufacturer specs, independent reviews and owner reports.

WaterWarden Premium Pool Safety Cover for 18x36 Ft In-Ground Pool with Right StepWaterWarden Premium Pool Safety Cover for 18x36 Ft In-Ground Pool with Right StepView on Amazon VS
WaterWarden Inground Pool Safety Cover 20x40 Ft Rectangle, Blue MeshWaterWarden Inground Pool Safety Cover 20x40 Ft Rectangle, Blue MeshView on Amazon

Quick verdict

Choose the WaterWarden Premium Pool Safety Cover for 18x36 Ft In-Ground Pool with Right Step if you want uL classification plus ASTM F1346 certification together confirm both material and load-testing compliance. Choose the WaterWarden Inground Pool Safety Cover 20x40 Ft Rectangle, Blue Mesh if you'd rather have largest standard rectangle sizing (20x40) in this roundup, sized for full-scale inground pools. Overall we rank the WaterWarden Premium Pool Safety Cover for 18x36 Ft In-Ground Pool with Right Step higher: #1 versus #3 in our Best Pool Covers You Can Walk On list.

Winner overall: WaterWarden Premium Pool Safety Cover for 18x36 Ft In-Ground Pool with Right Step

WaterWarden Premium Pool Safety Cover for 18x36 Ft In-Ground Pool with Right Step vs WaterWarden Inground Pool Safety Cover 20x40 Ft Rectangle, Blue Mesh compared

Every difference that matters, in one table.

Keep researching

  • Best Pool Covers You Can Walk On
  • WaterWarden Premium Pool Safety Cover for 18x36 Ft In-Ground Pool with Right Step review
  • WaterWarden Inground Pool Safety Cover 20x40 Ft Rectangle, Blue Mesh review
  • All pool covers

Bottom line

Choose the WaterWarden Premium Pool Safety Cover for 18x36 Ft In-Ground Pool with Right Step if you want uL classification plus ASTM F1346 certification together confirm both material and load-testing compliance. Choose the WaterWarden Inground Pool Safety Cover 20x40 Ft Rectangle, Blue Mesh if you'd rather have largest standard rectangle sizing (20x40) in this roundup, sized for full-scale inground pools. Overall we rank the WaterWarden Premium Pool Safety Cover for 18x36 Ft In-Ground Pool with Right Step higher: #1 versus #3 in our Best Pool Covers You Can Walk On list.

WaterWarden Premium Pool Safety Cover for 18x36 Ft In-Ground Pool with Right Step

WaterWarden Premium Pool Safety Cover for 18x36 Ft In-Ground Pool with Right Step

WaterWarden

Its case rests on uL classification plus ASTM F1346 certification together confirm both material and load-testing compliance and 20-year warranty is the longest backing of any cover in this roundup, reflecting confidence in the vinyl and hardware.

  • ASTM F1346-certified solid vinyl construction
  • UL-classified for safety cover use
  • Built-in right step cutout for pool access
  • Full perimeter brass anchor system
  • 20-year manufacturer warranty

Pros

  • Largest standard rectangle sizing (20x40) in this roundup, sized for full-scale inground pools
  • Highest review count (305) of the WaterWarden mesh covers, the strongest large-pool track record here
  • Self-draining mesh eliminates the standing-water pump maintenance a solid cover this size would require
  • Anchor system distributes the ASTM-rated load evenly across a longer perimeter span

Cons

  • Larger span means more anchor points to install and mainta in correctly for full rated support
  • Mesh still allows fine debris through, needing periodic bottom vacuuming despite the cover
  • No step cutout in this specific configuration, requires pulling the cover fully for pool access
Prices and availability change, so confirm on Amazon.View on Amazon
WaterWarden Inground Pool Safety Cover 20x40 Ft Rectangle, Blue Mesh

WaterWarden Inground Pool Safety Cover 20x40 Ft Rectangle, Blue Mesh

WaterWarden

Lowest-cost entry into a genuinely ASTM-certified safety cover, not a winter tarp marketed as one

  • ASTM F1346-rated mesh construction
  • 20x40 ft rectangular fit
  • No cover pump required
  • Anchored spring-and-strap system

Pros

  • Lowest-cost entry into a genuinely ASTM-certified safety cover, not a winter tarp marketed as one
  • Mesh drains rainwater on its own, avoiding the cover pump expense of solid covers
  • 305 ratings at 4.5 stars is solid for a value-tier safety product
  • Spring-and-strap anchoring is the same structural approach used on premium safety covers

Cons

  • Mesh blocks only about 92% of sunlight, weaker algae suppression than a solid cover
  • Warranty terms trail WaterWarden's premium solid line
  • Fine debris and pollen still pass through the weave and settle on the pool floor
  • 20x40 size is heavy enough that installation is easier with two people
Prices and availability change, so confirm on Amazon.View on Amazon

FAQ

Common questions

Which is better, the WaterWarden Premium Pool Safety Cover for 18x36 Ft In-Ground Pool with Right Step or the WaterWarden Inground Pool Safety Cover 20x40 Ft Rectangle, Blue Mesh?

Choose the WaterWarden Premium Pool Safety Cover for 18x36 Ft In-Ground Pool with Right Step if you want uL classification plus ASTM F1346 certification together confirm both material and load-testing compliance. Choose the WaterWarden Inground Pool Safety Cover 20x40 Ft Rectangle, Blue Mesh if you'd rather have largest standard rectangle sizing (20x40) in this roundup, sized for full-scale inground pools. Overall we rank the WaterWarden Premium Pool Safety Cover for 18x36 Ft In-Ground Pool with Right Step higher: #1 versus #3 in our Best Pool Covers You Can Walk On list.

What is the difference between the WaterWarden Premium Pool Safety Cover for 18x36 Ft In-Ground Pool with Right Step and the WaterWarden Inground Pool Safety Cover 20x40 Ft Rectangle, Blue Mesh?

The WaterWarden Premium Pool Safety Cover for 18x36 Ft In-Ground Pool with Right Step stands out because uL classification plus ASTM F1346 certification together confirm both material and load-testing compliance, while the WaterWarden Inground Pool Safety Cover 20x40 Ft Rectangle, Blue Mesh stands out because largest standard rectangle sizing (20x40) in this roundup, sized for full-scale inground pools. The trade-offs differ too: the WaterWarden Premium Pool Safety Cover for 18x36 Ft In-Ground Pool with Right Step's ma in caveat is that solid vinyl blocks all sunlight, requiring a cover pump whenever rainwater accumulates on top, and the WaterWarden Inground Pool Safety Cover 20x40 Ft Rectangle, Blue Mesh's is that larger span means more anchor points to install and mainta in correctly for full rated support.

Is the WaterWarden Premium Pool Safety Cover for 18x36 Ft In-Ground Pool with Right Step worth it over the WaterWarden Inground Pool Safety Cover 20x40 Ft Rectangle, Blue Mesh?

For most buyers, yes: it's our #1 pick. Consider the WaterWarden Inground Pool Safety Cover 20x40 Ft Rectangle, Blue Mesh instead if solid vinyl blocks all sunlight, requiring a cover pump whenever rainwater accumulates on top is a deal-breaker for you.

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