Shake-a-Vac Spa & Pool Water Vacuum & Self-Starting Siphon Drain for Hot Tubs

We have the hardest water! The calcium build-up gets way out of control if we go for more than a week or two without adjusting the water. We let it go too long, and had to scrub the tub down with CLR to get the calcium and whatever other minerals off the walls/seats. Once we were done cleaning, we also have a problem where the bottom of the hot tub never drains completely - so we fill/drain/fill/drain/fill/drain trying to get the old water out. This last time we cleaned, there was a good 1/2 cup of calcium deposits that were still sitting on the bottom of the hot tub. I purchased this with the hopes that EITHER I could vacuum the sediment out of the bottom OR the next time we cleaned it, i could use it to drain the last couple of gallons that just never empty from the bottom. I went to vacuum it today and it worked so well - I'm really pleasantly surprised! Look at the amount of calcium/minerals it was able to get from the bottom of our hot tub! (Our water tests perfect at the moment - I'm hoping we can avoid this problem from happening again!)

Does a good job and stores easily

STAY AWAY from this product! It has a worse suction than aquarium vacuums! I tried for an hour, my pool is above ground, I followed instructions to the line! It works, water does get sucked out of the pool, but it doesn't have the strength to take out grains of sand or even a minuscule piece of grass, it is useless!The hose is made of cheap plastic and doesn't stay flat on the floor, it is so short you can't do anything with it. The pole is non-existent, my arm is LONGER! The photo is very misleading!!!!! Because the hose retain its shape, mine remained in a circle (because it was shipped like it) and this shape makes it impossible for the water to flow faster.This product should be banned from being sold on amazon, but I guess people keep buying and don't want to deal with the trouble of shipping it back, so they still get profit from selling something that does NOT work.

I had one of these for about ten years and loved it for the small debris that would form on the hot tub bottom. But the hose began to crack. I used gorilla tape on it & it was still usable with a little care. Our hot tub broke down so we ended up throwing away the vacuum. Now with a new hot tub - I tried to find another. The price of course was more than what I paid 10 years ago. But I liked the idea of being able to use it for what ever length of time needed to get the job done as the water could either go in a pail or as I did, in our drain pipe. This new one did the job of getting the small debris off the bottom of our new hot tub. What I don't like about it is the hose. The original Shake-a-vac had a flexible hose and was easier to use and control. Maybe they had complaints of the flexible hose cracking. Maybe as I use this one more - the hose will become more pliable. Right now it is very stiff and hard to manage where you want the water to flow out.

It works* I see how the shake tip is supposed to work, there is a spring that holds a marble to the inside of the tip of the pole. As you push the pole into the water the spring is weak enough that the marble is pushed back and water fills the tube. Then as the pole is drawn out the marble goes back into place so water cant escape the tube, repeating this action and the tube/hose fill with water starting the siphon. Genius in theory. One problem for me is the spring is just a hair to strong as the suction from the siphon doesn't hold it out of the way and it reforms the seal stopping water from moving. I removed the top half the pole just to see if there were holes in the hose causing the break in the siphon and it worked. A complaint that isn't a deal breaker is the hose is both smaller in diameter and length than I thought from the images and videos. So It will take longer than I hoped to get the grit out of our hot tub. Now to see if I can remove/weaken the spring so that it works fully.

I absolutely love this! I vacuumed and backwashed my pool probably 7-8 in 2 weeks trying to get this white/gray stuff that would be floating around in my pool. I'm dreading my water bill LOL! It would always settle to the bottom of the pool after the pump was off and then stir back up when i turned it back on or when the vacuum was used. It would go right through the vacuum net. This vacuum sucks it right out of my pool without stirring it up! Whatever it was is completely out of my pool now!! I love it!!!

I have a 13 foot long Intex pool and just wanted something cheap to get the dirt out and this does work. It was tough to get it started by shaking so I did what another lady said she did & used the suction part of a little pump I have to get it going and then the section continues & got up all the sand and dirt. I’ve used it twice now.

Item is way to expensive to end up all bent and warped after only a few days in a pool storage with the item not in direct sunlight. Once it warps it stops working.