Robot vacs really work?

L

Liam Brooks

Member
I have seen those robots online cleaning pools. Looks nice in the ad, but I don’t trust it. Do they miss spots or actually keep the floor clean?
 
I was sceptical too, but I picked one up last season and it surprised me. It doesn’t always get every corner perfectly, but for the most part, the floor stays way cleaner than when I was doing it by hand once a week. The big plus is consistency; you can just drop it in, let it run, and not worry about it. I still do a quick manual brush here and there, but the robot keeps the everyday buildup under control. Definitely saves time and energy.
 
I borrowed one from a friend before buying, and honestly, it convinced me. It’s not perfect, sometimes it skips a step or two along the walls, but overall it cut my cleaning time down a ton. I only need to brush the sides every now and then, and the floor stays pretty spotless. If you’re on the fence, I’d say it’s more about managing expectations: it won’t replace every bit of manual work, but it makes pool upkeep way less of a chore.
 
I went into it thinking it might be a gimmick, but what stood out for me is how much fine debris it actually pulls out. Stuff like sand, pollen, and tiny leaves that I didn’t always catch with a net ended up in the robot’s filter. It doesn’t eliminate every bit of manual work, you’ll still want to brush walls and steps occasionally, but it keeps the floor looking cleaner between those bigger cleanings. For me, it turned pool care into more of a quick check rather than a full chore each weekend.
 
I was skeptical at first too, but after using a Dolphin robotic cleaner for a couple of seasons, I can say they really do work, just manage your expectations. It doesn’t catch every corner perfectly, especially tight spots near steps or edges, but the main floor stays consistently clean.

The biggest benefit for me is the time it saves. I only have to brush the walls and steps occasionally, and fine debris like sand, pollen, or tiny leaves ends up in the filter without me lifting a finger. It won’t replace all manual work, but it turns a weekly deep clean into a quick check, which makes pool maintenance way less stressful.
 
I’ve been using one for about a year now, and I’d say it’s one of those things that doesn’t seem impressive at first, until you stop using it. The first few runs, I thought it was just cruising around randomly, but after a week or two I noticed how much less dirt was collecting on the floor.

They’re not miracle workers; mine doesn’t handle the steps or waterline very well, but it definitely keeps the main floor in good shape. The trick is to empty the filter basket regularly and make sure the cord doesn’t tangle if it’s not cordless.

For me, it’s like having an automatic vacuum inside the pool, not perfect, but it keeps things neat between big cleanings. If you like a consistently tidy pool without much effort, it’s worth the investment.
 
I’ve used a robot vac this year it works, just not perfectly. I drop it in, it runs on its own and keeps the pool tidy; I still brush corners/steps sometimes. If you want easier upkeep, it’s worth buying.
 
They really do work, just don’t expect a 100% hands-off miracle. Most robotic pool vacs do an excellent job keeping the floor clean and picking up fine debris like sand, pollen, and small leaves. The main limitations are usually tight corners, steps, and the waterline, so you’ll still want to brush those occasionally.

The real benefit is consistency and time savings: you can run it a few times a week, and suddenly your weekly deep clean becomes a quick check. If you pick a reliable model (like a Dolphin or Polaris), empty the filter regularly, and manage the cord if it’s not cordless, it will make pool maintenance far easier.

Basically, think of it as “floor autopilot”, not perfect, but keeps your pool looking tidy with minimal effort.
 
I didn’t trust them either at first, honestly thought it was more marketing than reality. My issue was fine debris. Sand, pollen, that dusty stuff that settles overnight. I’d vacuum manually on weekends and by midweek the floor already looked messy again, especially after windy days or higher bather load.

Once I started running a robot a couple times a week, the difference showed up pretty fast. It doesn’t move in straight lines and it definitely misses steps and tight corners, but the main floor stays clean in a way I never managed consistently by hand. What surprised me was how much it picked up that I didn’t even see, the filter basket was always full of fine gunk. Keeping filter pressure steadier was a bonus too since less junk was making it to the main filter.

It’s not magic and it won’t replace brushing entirely. I still brush walls and hit the waterline manually, especially if pH drift lets scale start forming. But paired with keeping the water balanced and doing occasional surface cleaning, it turns pool care into maintenance instead of a workout. For me that’s the win. If you expect perfection, you’ll be annoyed. If you want the floor handled without thinking about it, they actually do their job.
 
I was skeptical too, but a pool robot really does keep the floor clean because it runs on its own motor with active brushing and an internal filter (often 50 to 100 micron), so it pulls out the fine dust that makes water look “flat”, but it can still miss steps, tight corners, or benches in complex shapes, so I still brush those spots weekly, and the key is running a 2 to 3 hour cycle during heavy use and cleaning the filter basket after each run so suction does not drop.
 
Mason Blake said:
I borrowed one from a friend before buying, and honestly, it convinced me. It’s not perfect, sometimes it skips a step or two along the walls, but overall it cut my cleaning time down a ton. I only need to brush the sides every now and then, and the floor stays pretty spotless. If you’re on the fence, I’d say it’s more about managing expectations: it won’t replace every bit of manual work, but it makes pool upkeep way less of a chore.
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From what Mason Blake mentioned about it not fully replacing manual cleaning, I completely agree. I’ve used a robot for almost two seasons and there are still corners or step areas I brush myself. But for fine dust and sand that make the floor feel gritty, it’s pretty consistent. Since using it, my filter pressure has stayed more stable because debris isn’t all going through the main system at once. So I wouldn’t call it a gimmick, just don’t expect it to be 100% hands-off.
 
I was in the same camp as you. The ads make it look like you drop it in and your pool turns into a resort commercial. I didn’t buy it at first.

What changed my mind was a stretch of windy weather where I was chasing fine dust every few days. I’d vacuum manually, water would look great, then two days later the floor had that dull, gritty feel again. I picked up a Dolphin unit mostly out of frustration and figured I’d return it if it was a gimmick.

First couple runs I wasn’t impressed. It kind of wandered around and I thought, this thing has no plan. But when I emptied the basket, it as packed with super fine debris I barely noticed. After running it three times a week, the floor just stayed clean. My main filter pressure also stopped spiking as much after heavy debris days because the robot was catching a lot before it ever hit the skimmer.

It’s not perfect. Mine doesn’t love tight corners or the top step, and I still brush the walls to keep circulation helping out and to prevent scale if pH drifts. But for the flat floor and general upkeep, it absolutely works. It turns cleaning from a weekend project into a background task.

If you expect it to replace every bit of manual work, you’ll be disappointed. If you want the floor handled consistently without dragging out a hose every time, they’re legit. For me it was one of those upgrades that didn’t feel impressive until I stopped imagining life without it.
 
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