Joint-Friendly Adjustable Weights for Seniors

A refillable water-filled weight that works like a kettlebell or dumbbell. Fill it with tap water to the weight you want, and empty it when you're done.

Each weight adjusts from 1 to 11 lb (0.5–5 kg), and a set of 2 gives you up to 22 lb combined. Empty, each weighs just 0.8 lb (about 360 g).

Open the lid, fill it at any tap to the line for the weight you want, and close the lid firmly so it seals. When you're done, pour the water out. No tools, plates or pins.

Fill lines in both lb and kg are molded into the jug, so they won't wear off. Each line shows the total weight, including the 0.8 lb jug, and the slightly translucent body lets you see the water level as you fill.

The top handle and two side handles give you multiple grip options. Hold it one-handed like a kettlebell, or grip both sides for crunches, squats and Pilates. That means more exercises than a single-grip weight allows.

Each handle is 1 in (2.5 cm) in diameter, about the same as a standard dumbbell handle. The smooth plastic is easy to wrap your fingers around, with no knurled metal to rub your palms.

Yes, and that's a good thing. As the water shifts, your muscles work to keep the weight steady, which adds core engagement and focus to every move. Customers say it helps them concentrate and control their form. Slow, controlled movements work best.

You can work your whole body: arms, chest, back, abs, glutes and legs. Examples include squats, lunges, weighted crunches, hip thrusts, swings, lateral raises and Pilates. The free interactive exercise library at cards.aguaforce.com shows how to do each one, sorted into upper body, core and lower body sections with the target muscles highlighted.

Go to cards.aguaforce.com on your phone, tablet or computer. Use it right in your browser, or use the install option on the site to add it to your home screen like a regular app. No app store needed.

Yes, it's BPA-free. It's made from HDPE (high-density polyethylene), the same type of plastic used for milk jugs, which isn't made with BPA. The resin meets FDA requirements for plastics that come into contact with food (21 CFR 177.1520), confirmed by the manufacturer and by independent lab testing.

$48.85 CAD in Canada ($39.85 USD elsewhere; promotional prices, regularly $59.48 CAD and $45.54 USD) for a set of 2. Online, AguaForce is sold in sets, so you get 2 adjustable weights that each go from 1 to 11 lb.

Online at aguaforce.com, where a set of 2 is $48.85 CAD in Canada ($39.85 USD elsewhere; promotional prices, regularly $59.48 CAD and $45.54 USD), with free shipping to Canada. Because of high tariffs, shipping online orders to the US is paused, and so are sales on Amazon. Studios, gyms, pools and retailers can buy any quantity through the wholesale program, and pools and aquatic facilities can request a free demo set.

Yes. Returns are free on online orders, for one set per order. If you order two sets, one of them can be returned free of charge.

AguaForce comes with a 30-day money-back guarantee. If it breaks within 30 days, you get your money back.

Most customers empty it after each workout for lighter, easier storage, and many pour the water on their plants.

Start lighter than you think. Choose a fill level where you can do 10 to 15 slow, controlled reps with good form and finish feeling challenged but not strained. When that feels easy, add a little water.

Add a little more water. You can increase in small steps instead of jumping from 5 lb straight to 8 lb, which makes steady progress easier.

Use the free exercise library at cards.aguaforce.com. Pick one exercise from each section (upper body, core, lower body) and you have a full workout.

The CDC recommends muscle-strengthening activity on at least 2 days a week, working all the major muscle groups: legs, hips, back, abdomen, chest, shoulders and arms. Adults 65 and older should add balance activities too. Two or three sessions a week is a good start for most beginners, with a rest day between strength workouts. Consistency matters more than intensity.

Yes. You can use it empty or with very little water, which makes it easy to start light and build gradually at your own pace.

Aquatic instructors report that the handles are easy to grasp for both younger and older users, including people with arthritic hands. Holding it with both hands on the side handles spreads the load and gives you more control.

Yes. The top handle sits higher than a dumbbell handle, so you don't have to bend down as far.

Yes. Many upper-body moves, such as curls, overhead presses and lateral raises, can be done from a sturdy armless chair. It's a comfortable way to start, or to keep training on days when standing feels like too much.

Carry it empty (under 1 lb) to wherever you exercise and fill it at the nearest tap. You can also fill it only part-way, so you never lift more than you're comfortable with.

Regular strength training with light weights can make daily tasks like carrying groceries, lifting a laundry basket or getting up from a chair feel easier. The shifting water also asks your body to steady itself with every move. Ask your doctor what program is right for you.

It has no hard metal edges, and it's lighter at the low end than most dumbbells. As with any new exercise program, check with your doctor or physiotherapist first, especially if you're recovering from an injury.

Yes. Aquatic instructors use it in both shallow-water and deep-water aqua aerobics classes.

No. It's made from HDPE, a plastic known for its chemical resistance, so chlorine and salt water won't affect it. After class, just empty it and let it air-dry before storing.