Slifert Calcium - Marine

Marsoni

M251S

$25.00

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

Slifert Calcium - MarineSalifert Calcium Profi Test Calcium is a major constituent of calcareous algae, skeletal material of hard corals and the skeletal needles of soft leather corals. Calcium also fulfills many biological functions. Quite often a too low calcium concentration retards coral and calcareous algae growth. Natural seawater contains 400450mg L calcium. Which is also the value we should strive for. For a stable aquarium environment the fluctuation in calcium

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My dog loves these! She has a small mouth and not many balls fit in her mouth when we play fetch. The only thing is that she can't make the balls squeak on her own, it does take pressure. However, maybe that's a plus if you don't wanna listen to squeezing all day haha. They are durable, very bouncy even in the dirt. Great price fun toy!

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Reviewed in the United States on May 16, 2026

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Deborah B

Birmingham, US

★★★★★ 4

My dog loves them...but

Size: Small

The ball is firm, durable and bounces well, but the squeaker is a disappointment. My 16 lb chihuahua doxie mix is obsessed with squeaky toys. I bought the small size which is a good fit. These balls are a bit firm and hard to squeak but she is still able to squeak them endlessly. The squeaker only lasts a couple of weeks then it's just a ball that she ignores.

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Reviewed in the United States on May 11, 2026

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marge connolly

San Leandro, US

★★★★★ 5

Quality choice for my dog

Size: Small

These are great, great quality and a super great price

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Reviewed in the United States on May 26, 2026

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L. Holmquist

Lexington, US

★★★★★ 5

Small squeaky dog toy

Size: Small

My mini dachshunds love them, they fit in their mouth and they squeak🙂

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Reviewed in the United States on April 5, 2026

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Ladybug27

Draper, US

★★★★★ 5

Best Balls Ever!!!

Size: Medium

These are the best balls ever! We have 2 very active ball loving dogs and these bounce very well and they actually hold up with active play and chewing. They still look brand new after daily use for months!

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Reviewed in the United States on May 15, 2026