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API Freshwater GH & KH Hardness Test Kit – official manufacturer product-family photograph
API Freshwater GH & KH Hardness Test Kit – official manufacturer product-family photograph

API General & Carbonate Hardness Test Kit – 1 kit

by API
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$11.56
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1 kit

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Orders normally ship within 2–3 business days after payment. Delivery times vary.

Free standard shipping within eligible United States shipping areas.

Returns may be requested within 30 days. Eligibility and return-shipping terms apply.

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Product details

Product Overview

Measure general and carbonate hardness in aquarium water with the API GH & KH test kit.

Key Benefits and Product Details

  • API General & Carbonate Hardness Test Kit
  • API aquarium and pond care product; use only for its manufacturer-specified application.

Directions and Precautions

It is necessary to test the GH and KH to monitor water quality and prevent stressful conditions.

Read the package label before use. See the official API product information for manufacturer instructions and available safety documents.

Size and Packaging

  • 1 kit — Each; quantity 1 purchases one retail package.

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