Gagnon's Potometer

Marsoni

M251S

$16.18

Get it in 3 business days with 1 day shipping. Friday, May 29

Gagnon's PotometerFor the demonstration of transpiration rates and rates of water absorption by a cut shoot under various external conditions. The whole apparatus is filled with water and a plant shoot is sealed into a stopper which fits the end tube. The open end of the capillary tube, which is graduated in millimeters, is placed into a beaker of water. An air bubble is generator by dipping the graduated tube out of and back into a beaker of water. The air bubble can

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Just bought my second one for my German shepherd. 1st one I bought a year ago. She managed to pop it within a few days. She still was able to play with it by grabbing ahold of the straps. Takes it everywhere. We call it her tether ball. Should've seen her when we got the new one out of the box. Hasn't left it alone since.

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Reviewed in the United States on April 14, 2026

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maggie medina

Pawtucket, US

★★★★★ 4

Keeps him busy. Puppy proof

Size: 6 Inch, Color: Independence Day

Thankfully I bought 2. One of the pumps broke as I was trying to blow up. That is the reason i did not give then 5 stats. This is a great toy for my puppy. Keeps him entertained and is pretty sturdy.

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Reviewed in the United States on April 30, 2026

Verified Purchase

Amazon Customer

Louisville, US

★★★★★ 5

Great for dog self play

Size: 6 Inch, Color: Red, Size: 6 Inch, Color: Red

So much fun for my puppy. Easy to grab and throw for him to play alone. Durable for a medium dog. This is his favorite toy. I also bought one for my friends cattle dog puppy who went bonkers with it. Yet her dog liked to chew the tags off. So I wouldn’t recommend for chewers.

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Reviewed in the United States on May 27, 2026