Solar Sun RingsUV Resistant Above Ground Inground Swimming Pool Hot Tub Spa Heating Accessory Circular Heater Solar Cover, Blue (3 Pack)

These are very simply designed to heat your pool from sunlight and keep the heat in at night, the perfect design for passive solar heat. Is a solar blanket more effective? I would say yes however, the solar blanket is cumbersome to take on and off. These rings can easily betaken out by one person and neatly stacked at poolside, taking up very little space on the pool deck. Putting them back in is also a breeze, just toss them in from pool side. WARNING...these are very easy to overinflate, and even blow out while inflating. They just need a little air in them to keep afloat on the outer ring, and the inner quilted section needs just enough air to separate the quilts from each other. Over inflating will cause them to not lay flat in the water, and you may run the risk of damaging the seem. The air level needs to be very low, almost like they are a flat tire. These were just what I was looking for to increase water temps without using the heater.

Given the many warnings listed here regarding over-inflation, I was *very* careful to only do two breaths to inflate the center portion of the rings, and to only *just* inflate the outer ring. They looked exactly like the accompanying photos (no bubbling or pillow-top-like appearance, the two layers of vinyl were separated, and there was no warping at all). We have a large pool, so I purchased 20 of them. After 1 hour, two of them deflated ... one had just the center portion deflated, the other had both the center portion and the outside ring deflated. I submerged them in a shallow pool of water ... both had holes in them. After another day, two more deflated. This time, the entire unit was deflated on both rings. Again using a submersion test, both of them also had holes. Two days later, three more deflated. These also had holes. About 90% of the holes I found were right along the seams where the vinyls had been bonded. Given that the seams were very, very irregular (the thickness varied from 1/2 inch to completely non-existent), that wasn't surprising. And after all this, for the three days the rings were in the pool, the temperature of the water actually went down, even though the ambient air temperature was 15+ degrees warmer than the water and the pool was in full sun. Even if I did somehow over-inflate the rings despite my cautious attempt, why in the hell is a product made to be so temperamental and poorly constructed, *especially* considering the high price? I returned the entire lot this morning. I will say, however, that the seller (Products Supply Store) was very prompt with my return request (within a couple of hours), and will even reimburse me for shipping the product back to them. Great customer service, horrible product.

You have to be careful not to put too much air in them. I find they do help warm the water a few degrees and help slow evaporation. I just wish they weren’t so costly. I only have three due to cost

I was disappointed upon receipt of the Solar Sun Ring because it very large; larger than the other solar rings that I have. I found it very flimsy even after filling with appropriate amount of air it was cumbersome to handle taking in and out of the pool. It also doesn't seem to retain air very well. I would not recommend this product and certainly will not purchase another.

Considering that you probably want solar covers to heat your pool in the daytime and to keep the warmth you’ve garnered at night these rings didn’t make a whole lot of sense when I bought them. One has no way of knowing whether they work.

These rings are amazing. Second time purchasing them. Saved me on my water bill, energy bill, and maintenance. They keep the heat in the pool and extends our swimming throughout the year! Need 11 for our pool bought 12 just in case.

GREAT

These were folded very tightly to fit in the box. After inflating they would not lay flat. I tried adjusting the amount of air I used to inflate and letting them lay in the sun for a day. Nothing worked. Contacted the company to ask what I could do to get them to lay flat. They responded immediately with an offer to refund my money if I returned them or to refund $30 and I could keep them. But nothing or how to make them work.

Not very satisfied with the purchase. The item doesn't meet our expectations

They are a simple solution that has an assists the pools sola heating

Not really impressed - one season and they are not really working very well

Der Ring liegt trotzdem wir ihn nach Anweisung aufgeblasen haben (also genau genommen ist er innendrin gar nicht mehr aufgeblasen :-/) nicht richtig auf dem Wasser auf, er steht an zwei Stellen hoch.Das Wasser heizt sich ein bisschen auf, allzu viel bringt es leider nicht.Lieferung war schnell, Verpackung gut, Beschreibung dabei, stinkt nicht, wirkt wertig - das alles ist ok.

I would need 9 disks to cover my pool but started with 3. Out of the 3 disks I got only one works well. 1 disk doesn’t remain inflated in the middle portion and another disk doesn’t stay inflated in the outer ring. I tried them 1 month and keep re-inflating 2 of them. Really disappointed . I will not start looking for a leak and put patches on a new “out of the box” product.