HM Digital HydroMaster Continuous pH/EC/TDS/Temp Monitor Model HM-500

HM Digital HydroMaster Continuous pH/EC/TDS/Temp Monitor Model HM-500

Marsoni

M251S

$179.50

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

HM Digital HydroMaster Continuous pH/EC/TDS/Temp Monitor Model HM-500HydroMaster Digital tester makes monitoring water easier than ever by reading the levels that matter most and providing accurate readings that you can depend on. Continuous pH EC TDS Temp monitor with rechargeable battery. Portable, wall mount or benchtop use. Tests pH at a range of 014 pH, temperatures from 30F176F, TDS from 09999 ppm and EC from 09999 S. Stores up to 20 measurement readings, so you can monitor changes over time. LCD touch type

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My pomsky will destroy a toy in minutes. Ropes, and the "indestructible" nylon type stuffs are no match for my furry shark. This ball has stood up to him like David. He loves the crunch and it is so much more tolerable than a squeaker. These will be a staple in his toy box - Chuckit toys are really the most durable dog toys I have found in three years.

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Reviewed in the United States on April 26, 2026

Verified Purchase

Gold Coast

Charlottesville, US

★★★★★ 5

Fun Ball

Style: Ball, Size: Medium (Pack of 2)

Great new ball for our pup. He loves the sound of the crunch!

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Reviewed in the United States on May 25, 2026

Verified Purchase

Cheryl

Whiting, US

★★★★★ 5

Durability

Style: Ball, Size: Medium (Pack of 2)

My dog loves these balls!

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Reviewed in the United States on May 25, 2026

Verified Purchase

ShainaKatt

Lake Worth, US

★★★★★ 5

Dogs love them

Style: Ball, Size: Medium (Pack of 2)

Our dogs love these. What’s great is that you can add more plastic (like from water bottles) if the plastic starts to fall out from the center. If you have a chewer, though, these won’t last you long. Our shepherd mix loves these and then starts to pull the rubber apart the more she plays with it. Our other dogs treat it normally, though, and those ones last forever. They also get some decent height when bounced, and they make a unique whistling noise when thrown.

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Reviewed in the United States on November 17, 2025