{"product_id":"winter-pool-cover-21-ft-round-above-ground-extra-thick-protection","title":"Winter Pool Cover 21 ft Round Above Ground - Extra Thick Protection","description":"\u003cp\u003eIn this review of the Winter Pool Cover 21 ft Round Above Ground, the bottom line is simple: this cover is for pool owners who want a heavy-duty, cold- and UV-resistant wrap that keeps water clean through winter. The standout reason to buy is the material quality - a 14 x 14 scrim with 185 GSM density and an LDPE coating - which delivers thicker, tougher fabric and seams that resist dirt intrusion. For those closing an above-ground pool for the season, the Sapphire Series cover is a practical, durable choice.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtra thick scrim:\u003c\/strong\u003e The 14 x 14 scrim count and 185 GSM density provide a substantially heavier material that reduces tears and sagging compared with thinner tarps.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLDPE UV protection:\u003c\/strong\u003e A protective LDPE coating fights winter sunlight and UV exposure so the cover retains strength through seasonal sun and cold.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBlack underside:\u003c\/strong\u003e The dark underlayer helps prevent algae growth and limits visible overgrowth by blocking light at the water surface.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReinforced fastenings:\u003c\/strong\u003e A steel-core cable and reinforced metal grommets create a secure perimeter attachment, keeping the cover taut and in place.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMolded winch and overlap:\u003c\/strong\u003e The included molded winch makes tightening straightforward and the generous 4 ft overlap eases fitting on a 21 ft round above-ground pool.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWho It's For\u003c\/h2\u003e\u003cp\u003eThis cover is best for above-ground pool owners looking for a robust seasonal winterizing solution who prioritize material strength and reliable fastenings. It fits situations where cold resistance, UV protection, and preventing dirt entry are the primary concerns, and where a heavier fabric and reinforced grommets are valued.\u003c\/p\u003e\u003cp\u003eThose who need a lightweight, low-cost tarp for an infrequent short-term use or who require an integrated pillow or water bag included should look elsewhere; the pool pillow is sold separately and some buyers report varied long-term durability between seasons.\u003c\/p\u003e\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eThick 14 x 14 scrim and 185 GSM density give real substance and reduce tear risk.\u003c\/li\u003e\n\u003cli\u003eLDPE coating and black underside limit UV damage and reduce overgrowth potential.\u003c\/li\u003e\n\u003cli\u003eSteel-core cable with reinforced grommets and a molded winch deliver a secure, easy-to-tighten fit.\u003c\/li\u003e\n\u003cli\u003eGenerous 4 ft overlap simplifies installation on a 21 ft round above-ground pool.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSome users report variability in long-term wear; results can differ season to season.\u003c\/li\u003e\n\u003cli\u003ePool pillow and other accessories are not included, requiring separate purchase for extra protection.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel type\u003c\/td\u003e\n\u003ctd\u003e21 ft round above-ground winter cover\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eScrim count\u003c\/td\u003e\n\u003ctd\u003e14 x 14\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial density\u003c\/td\u003e\n\u003ctd\u003e185 GSM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCoating\u003c\/td\u003e\n\u003ctd\u003eLDPE UV-resistant coating\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFastening system\u003c\/td\u003e\n\u003ctd\u003eSteel-core cable with reinforced metal grommets and molded winch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOverlap\u003c\/td\u003e\n\u003ctd\u003e4 ft generous overlap\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature resistance\u003c\/td\u003e\n\u003ctd\u003eSurvives down to 10 F and up to 180 F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eOur Verdict\u003c\/h2\u003e\u003cp\u003eThe Winter Pool Cover 21 ft Round Above Ground is a sensible buy for anyone who wants a substantially thicker, UV-resistant winter wrap with strong fastenings and easy tightening. It delivers good value for seasonal pool winterization when durability and protection are priorities, though buyers should add a pool pillow or water bags separately for complete freeze protection.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eDoes this cover fit a 21 ft round above-ground pool?\u003c\/strong\u003e\u003cbr\u003eYes, it is designed for a 21 ft round above-ground pool and includes a 4 ft overlap to aid fitting.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs a pool pillow included with the cover?\u003c\/strong\u003e\u003cbr\u003eNo, the pool pillow is sold separately and is not included with this cover.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWill the cover resist UV and cold weather?\u003c\/strong\u003e\u003cbr\u003eYes, the LDPE coating provides UV resistance and the material is rated to survive low winter temperatures and high heat ranges.\u003c\/p\u003e","brand":"Yankee Pool Pillow","offers":[{"title":"Default Title","offer_id":48749253361883,"sku":"B0894CVX9G","price":124.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/81JILHW6vJL._AC_SL1500.jpg?v=1778841177","url":"https:\/\/gearmusthave.com\/products\/winter-pool-cover-21-ft-round-above-ground-extra-thick-protection","provider":"GearMustHave","version":"1.0","type":"link"}