(Sagging is an altogether separate issue and very unlikely)The best way I can describe the wear of a mattress is the example of a shoe. They sent it back and said they fixed springs that failed. The ridge in the middle is the simply unused area of the mattress. Over the past 15 years Iâve travelled a lot overseas and enjoyed luxurious bedding in hotels and cruise ships so Iâve got a fairly good idea what a decent mattress should feel like. The best mattress can take many forms - a mattress in a box, a foam mattress, or a firm mattress. Well that was not correct. The sagging is visible & the springs squeak.I had a Sleepmaker for 10 years without any issues. The soreness has progressively got worse with the more the bed degraded. I am your customer for more than 8-9 years. ny other model in any brand. End of story. This requires using the entire mattress surface. Will request your details in the DM part of this platform. Then they agreed to check it free of charge. how to keep dark house hole open when not in use or heated. Beard and Bev Marks are here to help you get a better nightâs sleep. We want to help, could you in the DM section of this platform provide your con... Read more, After reviewing many of the posts here regarding King Koil products I concur with the comments here. a couple of things worth mentioning. However, Something was wrong with it from the first day. King Koil. It's important to use the entire surface. Further after retiring the following evening I heard a popping sound coming from underneath me. It cannot get even wear unless it is actually used. We religiously rotate the mattress as we have done for every mattress we have ever owned so it wears in evenly. Please let us know if you need any further assistance. Called Harvey Norman where we bought it from for more than 2k. We had to change positions, turn mattress every week and its so heavy, sit, lie in the middle hump bit, nothing worked. Large mattress surfaces(like king sizes) will only be used on 2 thirds of the mattress, the one third is the unused area. When mattresses are new or they have been respecified they require settling in again. Waste of hard earned money. When complained, they sent for inspection and their inspector was surprised and confirmed there is sth wrong with the mattress. King Koil is a mattress brand that was founded in 1898. Hi. we rented a trailer in a trailer park. Now I know thereâs settling but not to the point where I can't roll over because there is what feels like a hill on either side of me from how far I have sagged down. The Serenity mattress you've purchased from Forty Winks and the Bellagio is a Harvey Norman model. A lot depends on where you bought the mattress. I was told by a different retailer that it was not a platinum product and the Bellagio was a better product. Beard King Koil Platinum Posture Bellagio II ensemble. We Bring Sleep Home. They eventually collected it and gave us a loan one that was much better. Would recommend not buying this mattress at all! Hi GigiWe are sorry to hear that you don't like your mattress. The 7-Zone Pocket Coil and Anti-Dust Mite features let your children sleep in their natural alignment and healthy sleeping environtment. A H Beard king coil plush double bed mattress with pillow top. After following the care instructions provided with the sale of the mattress, I recently observed that, when I applied slight pressure to the tail end of the mattress, ... that a crunching noise emanated from what I presume to be the springs supporting my slumber every evening. Relevance. I bought king koil eternity medium king bed and base in Feb 2018. This is not a fault in the mattress its simply an unused area. Iâm told this will fix itself but rotating the mattress every two weeks. It was sinking in too much enough that I would roll to my husbands side as he sank too deep into it. I then had to pay extra to upgrade as they didn't have any left of the same purchased. Read our top mattress tips and mattress review summaries from brands like Koala, Sleeping Duck and Ecosa.