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ISTA · Supplementation
Mini Inline CO2 Bubble Counter
The ISTA Mini Inline CO2 Bubble Counter is a compact crystal-clear acrylic device that installs inline on CO2 tubing for planted aquariums, letting you visually count bubbles per minute to dial in accurate CO2 dosing for nano and small tanks. Its durable, acid-resistant acrylic construction resists breakage and assures a clear, easy bubble reading, and assembly is tool-free.
Price: $4.63 USD
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