TMC Aquarium Cooling Fan System Fish Tank Cooler with Thermostat 12V

TMC Aquarium Cooling Fan System Fish Tank Cooler with Thermostat 12V

Marsoni

M251S

$41.99

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

TMC Aquarium Cooling Fan System Fish Tank Cooler with Thermostat 12VThis aquarium cooling range provides a practical solution for maintaining stable water temperatures across a wide variety of tank sizes and setups. With options including single, dual, triple and five fan units, along with a compatible thermostat controller, it allows you to select the most suitable level of cooling for your system. Each unit works by increasing airflow across the water surface to encourage evaporative cooling. As water evaporates,

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Pros: Extremely Durable: Survived an aggressive chewer where tennis balls failed. Dual-Visibility: Features both internal flashing lights and a glow-in-the-dark "chargeable" surface. Perfect Size: Fits comfortably in the mouth of a 40lb medium-sized dog. Same size as a tennis ball. Cons: Battery Life: Unsure how long the internal flashing lights will last (though it has held up well so far).

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Reviewed in the United States on February 8, 2026

Verified Purchase

Andrea S.

Whiting, US

★★★★★ 5

Great for night time play!

Size: One-Size-for-Most

This ball is great! It is a 2-for-one light up feature so we love the flashing lights and if she drops it in the snow after those lights stop, we can still find it because of the strong glow that gets its charge from the flashing LED lights. Our first one lasted a few years, we lost it on a trip so now back for our second one so we can keep the night time fetch going! She is a golden retriever for size reference. Any bigger of a breed and I would worry it might be too small for her mouth. It’s a bit smaller than a tennis ball. Just don’t make the same mistake I did and let them have it in the house at night, she walked up to my bedside while I was asleep one night and squeezed it to activate it. Those lights are so bright it was a rude awakening!

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Reviewed in the United States on November 11, 2025

Verified Purchase

Katie

New York, US

★★★★★ 4

Good option for playing at night

Size: One-Size-for-Most

This ball is a good option if your dog likes to fetch at night. It stays lit for about 20 minutes or so, but that is me only leaving it out of the counter, being "charged" by whatever house lights are on. My dog isn't a big chewer, but it seems as though it would hold up well. I like that it is easy to rinse and clean. It seems to be a good value.

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Reviewed in the United States on January 16, 2026

Verified Purchase

Amazon Customer

Chelsea, US

★★★★★ 5

Night play

Size: One-Size-for-Most

My dog like many other dogs loves to play. We needed a ball that fit into the handheld thrower we had but something that we could find it at night. This has been wonderful!

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Reviewed in the United States on April 26, 2026

Verified Purchase

Jordan

San Leandro, US

★★★★★ 1

It stopped working after three play sessions

Size: One-Size-for-Most

I thought this ball was great until a week later it stopped blinking and got lost in the snow. We only played with it for three days for 20 minutes at a time. It should’ve lasted a lot longer.

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Reviewed in the United States on December 12, 2025