Great for fiberglass pools. Never let me down. Bought to replace 3 year old shark. Went up in price considerably (ugh). Tried others didnt work. Learned to stay with what i know. Recommend

This vacuum was easy to install and set up and worked great for about 15 minutes. Then it climbed the wall of the pool and when it fell off it sat about 1 foot below the surface of the pool and puttered around like that. If I put it back on the bottom of the pool, within about 2 minutes it would be back up at the surface of the water sucking water in uselessly and not cleaning anything.Unfortunately, I have to rate this product 1 star for this defect as it doesn't clean anything. I did not waste anytime with Pentair trying to get a replacement and then being SOL when that one also floated and I was no longer within my Amazon return window. This thing went back to Amazon 1 day after I bought it.One thing to note: I am not a big fan of the use of the regulator valve with a reducer cone plugging up the skimmer hole. Even though I have a side wall suction port, I still had to use this to get adequate suction to the pump for it to move. This poor design introduced a significant amount of air bubbles into my pool pump basket. Perhaps this design flaw introduces air into the vacuum hoses and causes it to float? Who knows. But I was unimpressed with the design overall. I want a vacuum I can plug into only my pool wall suction valve and leave in the pool cleaning all the time when my pump is running. I am not interested in a pool pump that requires mucking around with plugging my skimmer hole to get adequate suction or that requires me to use the skimmer hole when I already have the wall port.

Simply doesn’t work, permanently gets stuck in any corner of the pool. I have a small 4x2 meter pool and left to it’s own devices I think it would take weeks to clean the bottom of the pool!

Called Pentair and did everything they asked. I had 2 suction cleaners over the many years of owning a pool and this just did not work at all.

I have an in ground pool in South Florida, with a screened enclosure so I can't speak to open pools that get a lot of leaves, so keep that in mind. Over the years I have owned several cleaners, the first being the original Kreepy Krauly. It was noisy and the parts were expensive.I switched to a Hayward Navigator and it was silent and worked just fine in the pool I had at the time. That pool had a return line at each end of the pool and therefore it produced plenty of suction for the cleaner to work properly. The pool at my current home has a single return line at the deep end and does not move enough water for the Navigator to climb the walls although it did a fine job on the bottom. I did have to replace parts frequently which also were quite pricey. It should be noted I left the cleaner in the pool continuously, so it ran every day.When the Navigator got beyond economical repair, I decided to try the Poolvergnuegen based upon claims that it worked with very low suction. That was not my experience and I returned that. After additional research and some input from a local pool supply, I purchased the Kreepy Krauly Sand Shark. I could not be happier at this time. It reaches all areas of my 15’ x 30’ pool. It climbs the walls to the point of breaking the surface occasionally. It moves a bit slower than the navigator but I attribute that to the low suction, it’s not like we’re running a race here. This cleaner I have decided to put in the pool only once a week, or as needed to increase the life span. I hope this helps some of you with making your decision.

SandShark in ground cleaner. Very useful, well designed and structured product from Pentair.One day at my friend's pool party, I saw he was using an old model of this product. He had it about 5+ years and he like it. I was impressed by the simple looking and the job it does. I decided to buy one for my pool. Got it from In the Pool Supplies on Amazon.com with $100 rebate from Pentair at the summary promotion. The fedex guy delivered on time as planed.( It was a Sunday night about 10pm, the scheduled delivery time was passed but I saw an Fedex girl was driving a Non-Fedex Truck stop at my front door and a Fedex guy carried the box and was running to my door. He apologized for the late and explained his truck was broken down on the road so they were rushing to finish the work... )Back to the product, I installed and used it next day. The installation time maybe took me as loong as I was trying open the box. You just need to connect all the tubes together and one end connect to the suction head one end to your skimmer hole at the end or Pool Cleaner suction port on the pool wall.It runs great as described on the website, the SmartTrac programmed steering system maneuvers around tight corners, ladders, and obstacles to assure fast, thorough cleaning performance. It cleans faster than random-style cleaners reducing the possibility of missed spots. It runs pool floor and the walls. Make sure you are adjust the suction to a right suction power by using provided suction gauge with the yellow indicator. If the suction is too high, the Sandshark may 'jumping' out of the water...It has a simple design. No visible wheels and belts, no bag to replace. It has 12" wide cleanning path. The inclueded 32 feets tube covers my middle size pool. It also inclueds the vacucm port adapter for the wall vacuum port and the corn adapter and water pressure regulator for the skimmer hole.If you want find out more, here is the official website for the product :[...]The weather is hot these days and my pool water needs to be treated. I have it a about a week now. I'm pretty happy with the purchase so far.Hope my review will help your product reaserch.Updates:9/19/2012 It has been 2 weeks now. It still runs good. Only one thing I found out that vacuum hoses need to be stored properly. When it is not in use, they like to be place in STRAIGHT. Since my pool bottom was clean and only has one skimmer hold, I had to remove it and placed on the pool deck (for 2 days) with all the hoses attached (this is not right since first section kept curved because the vacuum head is sit on the ground). I thought it will staighten back to it original shape when I replace them back in the pool but it didn't. The lead hose (the short one connect to the vacuum head) bended after 2 days. I guess it's because of the heat under the sun light made the plastic changed its shape. When I put the vacuum back in water, the vacuum head doesn't sit on the bottom flatly because of the bended lead hose forces the Sandshark head in `nose down' position which make it point 30 degree to the pool bottom. But when I turn the pump on, it will back to normal position and works fine. I concern about the moving paten might change little because of that... I'm still watching...9/20/2012 To change back the shape of the hose, I detached first bended lead hose and put it on my pool brush handle and leave it there. I hope it will straighten itself.... will report later...9/21/2012 The hose straighten itself. I read the owner's manual again. It clearly states that the hoses need to be stored flat and staight... :) I just leave it in the pool now. Also accoring to the manual, it shoud be removed from the water when shcoking your pool...9/24/2012 Adjusting the suction is the key to let him to do the perfect job for your pool.