---
product_id: 565288853
title: "API Liquid Copper Test Kit 4OZ"
brand: "api"
price: "$42.61"
currency: USD
in_stock: true
reviews_count: 1
category: "Api"
url: https://www.desertcart.us/products/565288853-api-liquid-copper-test-kit-4oz
store_origin: US
region: United States of America
---

# Accurate copper detection 0-4 ppm Essential for healthy fish & effective treatment 90 precise tests per kit API Liquid Copper Test Kit 4OZ

**Brand:** api
**Price:** $42.61
**Availability:** ✅ In Stock

## Summary

> 🧬 Keep your aquarium thriving with precision copper control!

## Quick Answers

- **What is this?** API Liquid Copper Test Kit 4OZ by api
- **How much does it cost?** $42.61 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/565288853-api-liquid-copper-test-kit-4oz)

## Best For

- api enthusiasts

## Why This Product

- Trusted api brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Trusted Legacy:** API’s 50+ years of innovation means expert care for your aquarium
- • **Fish-Safe Assurance:** Prevents harmful copper imbalances that threaten your aquatic pets
- • **Complete Testing Kit:** Includes solution, glass test tube, and color card for easy use
- • **Copper Level Accuracy:** Detects copper from 0 to 4 ppm for optimal aquatic health
- • **Precision Testing Power:** 90 tests per kit ensure long-lasting, reliable monitoring

## Overview

The API Liquid Copper Test Kit offers 90 accurate tests to measure copper levels from 0 to 4 ppm in fresh and saltwater aquariums. This all-in-one kit includes a liquid test solution, glass test tube with cap, and color card, enabling easy and reliable monitoring to protect fish health and ensure effective parasite treatments. Backed by API’s 50+ years of aquarium care expertise, it’s an essential tool for any serious aquarist.

## Description

Keep your fish healthy and thriving by testing your aquarium water's copper levels regularly with this easy-to-use API COPPER TEST KIT for aquariums. API COPPER TEST KIT allows for the fast, easy, and accurate measuring of copper levels in fresh and salt water, which is particularly necessary for effective parasitic treatment for diseased fish. A low copper level could make the treatment ineffective, whereas a high copper level could cause fish death. Kit reads Copper levels 0 - 4 ppm and contains 1 Copper test solution bottle, one instructional booklet, one capped glass test tube, and one color card. With API Aquarium products, it’s easy to keep a beautiful saltwater, freshwater or reef aquarium. For over 50 years, API has been creating innovative, research-driven solutions that make it easier to care for your fish and aquarium. API Aquarium Treatment Supplies are designed to work in conjunction with each other to provide best results to control algae, promote healthy bacterial growth and help control and cure fish diseases and conditions such as ich and fin rot. They work to provide a safe, hospitable environment for fish such as tropical community fish, cichlids, goldfish and more. With API, you can spend more time admiring your fish, and less time scrubbing your tank. Make sure to use all products as directed in order to ensure the best results.

Review: Max pH 7.6, poor dosing guidelines - The scale only goes up to 7.6, so useless for a cichlid tank. The pH up/down instructions tell you how much to add, but not what the expected change is. My pH was high off the scale (blue), but there i no way to know how high or how much acid to add.

## Features

- Contains one (1) API COPPER TEST KIT 90-Test Aquarium Water Test Kit, including 1 bottle of testing solution, 1 color card and 1 glass test tube with cap
- Helps monitor copper and prevent invisible water problems that can be harmful to fish or treatments ineffective
- Accurately detects copper levels from 0-4 ppm

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0006JDWH8 |
| Allergen Information | Celery |
| Brand | API |
| Brand Name | API |
| Customer Reviews | 4.5 out of 5 stars 1,502 Reviews |
| Included Components | all |
| Item Form | Liquid |
| Item Type Name | API COPPER TEST KIT 90-Test Aquarium Water Test Kit |
| Item Weight | 68 g |
| Item form | Liquid |
| Item weight | 68 g |
| Manufacturer | API |
| Target Species | Fish |
| UPC | 317163120651 707005137730 |
| Unit Count | 1 Count |

## Product Details

- **Brand:** API
- **Item weight:** 68 g
- **Item form:** Liquid
- **Manufacturer:** API
- **UPC:** 317163120651 707005137730

## Images

![API Liquid Copper Test Kit 4OZ - Image 1](https://m.media-amazon.com/images/I/61oy2aZx7+L.jpg)

## Available Options

This product comes in different **Style** options.

## Customer Reviews

### ⭐ Max pH 7.6, poor dosing guidelines
*by A***R on 7 August 2022*

The scale only goes up to 7.6, so useless for a cichlid tank. The pH up/down instructions tell you how much to add, but not what the expected change is. My pH was high off the scale (blue), but there i no way to know how high or how much acid to add.

## Frequently Bought Together

- API COPPER TEST KIT 90-Test Aquarium Water Test Kit
- Seachem Cuprisorb 100ml
- Seachem Cupramine Copper 100ml

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-03-03*