---
product_id: 59430449
title: "API Tap Water Conditioner for Aquariums, 3.78 Litre Bottle"
brand: "api"
price: "$157.91"
currency: USD
in_stock: true
reviews_count: 13
category: "Api"
url: https://www.desertcart.us/products/59430449-api-tap-water-conditioner-for-aquariums-3-78-litre-bottle
store_origin: US
region: United States of America
---

# Super concentrated formula: 3ml treats 60L Safe for fresh & saltwater aquariums Neutralizes chlorine & chloramines instantly API Tap Water Conditioner for Aquariums, 3.78 Litre Bottle

**Brand:** api
**Price:** $157.91
**Availability:** ✅ In Stock

## Summary

> 💧 Keep your fish thriving with the ultimate tap water shield!

## Quick Answers

- **What is this?** API Tap Water Conditioner for Aquariums, 3.78 Litre Bottle by api
- **How much does it cost?** $157.91 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/59430449-api-tap-water-conditioner-for-aquariums-3-78-litre-bottle)

## 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 Brand:** API’s 50+ years of research-backed innovation means you’re using a proven leader in aquarium care.
- • **Instant Tap Water Detox:** Eliminates harmful chlorine and chloramines on contact to protect your aquatic friends.
- • **Gill & Tissue Protection:** Prevents chemical damage that causes gill destruction and fish stress, ensuring thriving aquatic life.
- • **Ultra-Concentrated Power:** Just 3ml treats 60 liters, making this 3.78L bottle a long-lasting aquarium essential.
- • **Dual Fresh & Saltwater Use:** Versatile formula safe for all aquarium types, from tropical freshwater to vibrant reefs.

## Overview

API Tap Water Conditioner is a highly concentrated 3.78L liquid formula that instantly neutralizes chlorine, chloramines, and heavy metals in tap water, making it safe for both freshwater and saltwater aquariums. Designed to protect delicate fish gills and tissues from chemical damage, it supports healthy aquatic environments during water changes, tank setups, and fish introductions. Trusted by millions and backed by over 50 years of API innovation, this conditioner ensures your aquarium stays vibrant and your fish stay healthy.

## Description

Product Description Good water quality is the key to a healthy, beautiful aquarium. Tap water contains chemicals, such as chlorine and chloramines, which make water safe for drinking, are highly toxic to fish. High levels of these chemicals destroy fish gill tissue, preventing the uptake of oxygen which can lead to fish death. Even low levels irritate delicate fish tissue. Tap water must be treated before adding fish to make sure fish remain healthy. API TAP WATER CONDITIONER Aquarium Water Conditioner instantly removes chlorine and neutralizes chloramines. It also detoxifies heavy metals in tap water. The formula of API TAP WATER CONDITIONER incredibly concentrated. You only need up to 3 ml to treat 60 liters of water. It's safe for all aquatic and can be used in both fresh and salt water. Use during aquarium set up, water changes and adding fish. 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. Directions Use up to 3 ml to treat 60 liters of water. Use during aquarium set up, water changes and adding fish. Box Contains Contains one (1) API TAP WATER CONDITIONER Aquarium Water Conditioner 3.78-Litre Bottle

Review: Superb products. - Superb product. API is one of my resources for many of my aquarium essentials. Never had any problem with any of there items. Great value for money, with many products giving you size options for what you need. All products from medicated to water parameters and plant care. These products are made with an ease of understanding for what that purpose is and will help you on your fish keeping journey.
Review: Best tapsafe conditioner by miles - Excellent stuff and large bottle so great value for money ,

## Features

- Causes serious eye irritation.
- Causes skin irritation.
- May cause an allergic skin reaction.
- May cause respiratory irritation.
- Very toxic to aquatic life.
- Contains one (1) API TAP WATER CONDITIONER Aquarium Water Conditioner 3.78-Liter Bottle
- Neutralizes chlorine, chloramines and other chemicals to make tap water safe for fish
- Prevents tap water chemicals from causing gill destruction, tissue irritation and fish death
- Super strength, high concentration formula
- Use when adding or changing water and when adding new fish to freshwater and saltwater aquariums

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B001EWFUSK |
| Best Sellers Rank | 2,006 in Pet Supplies ( See Top 100 in Pet Supplies ) 15 in Aquarium Water Treatments |
| Brand | API |
| Brand Name | API |
| Country Of Origin | USA |
| Customer Reviews | 4.7 out of 5 stars 24,560 Reviews |
| Global Trade Identification Number | 00017163004523 |
| Item Form | Liquid |
| Item Weight | 2.27 kg |
| Item form | Liquid |
| Item weight | 2.27 kg |
| Liquid Volume | 3.78 Litres |
| Liquid volume | 3.78 Litres |
| Manufacturer | API |
| Manufacturer Part Number | 52D |
| Model Number | 52D |
| Number of Packs | 1 |
| Pet Type | Fish |
| Target Species | Fish |
| UPC | 017163004523 |
| Unit Count | 1 count |
| Unit count | 1 count |

## Product Details

- **Brand:** API
- **Item form:** Liquid
- **Item weight:** 2.27 kg
- **Liquid volume:** 3.78 Litres
- **Manufacturer:** API

## Images

![API Tap Water Conditioner for Aquariums, 3.78 Litre Bottle - Image 1](https://m.media-amazon.com/images/I/61trdEJd13L.jpg)
![API Tap Water Conditioner for Aquariums, 3.78 Litre Bottle - Image 2](https://m.media-amazon.com/images/I/A19gs7-nKkL.jpg)
![API Tap Water Conditioner for Aquariums, 3.78 Litre Bottle - Image 3](https://m.media-amazon.com/images/I/91tF5phHmML.jpg)
![API Tap Water Conditioner for Aquariums, 3.78 Litre Bottle - Image 4](https://m.media-amazon.com/images/I/81iVo6O1YJL.jpg)
![API Tap Water Conditioner for Aquariums, 3.78 Litre Bottle - Image 5](https://m.media-amazon.com/images/I/610ynuNy9EL.jpg)

## Available Options

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

## Questions & Answers

**Q: what is the difference between this and stress coat +?  Can these 2 products be used together ?**
A: Tapwater conditioner contains different ingredients to strees coat, 
as stated by API's material safety data sheet on thier website (pretty sure I can't add the links here)...

Tap water conditioner as stated by API's material safety data sheet on thier website contains Sodium Thiosulfate and EDTA Tetrasodium Salt.
the Sodium Thiosulfate removes Chorine and Chloramine , and detoxifies Ag (Silver)
the EDTA Tetrasodium Salt detoxifies Pb (Lead), Cu (Copper) and Zn (Zinc).

Stress coat plus, and pond stress coat's only active ingredient seems to be aloevera.....

## Customer Reviews

### ⭐⭐⭐⭐⭐ Superb products.
*by M***S on 23 February 2026*

Superb product. API is one of my resources for many of my aquarium essentials. Never had any problem with any of there items. Great value for money, with many products giving you size options for what you need. All products from medicated to water parameters and plant care. These products are made with an ease of understanding for what that purpose is and will help you on your fish keeping journey.

### ⭐⭐⭐⭐⭐ Best tapsafe conditioner by miles
*by P***D on 26 May 2026*

Excellent stuff and large bottle so great value for money ,

### ⭐⭐⭐⭐⭐ Easy instructions but use your phone to zoom in on small writing
*by D***W on 2 June 2026*

Fish are loving it. Simple to follow instructions if a little small to read. We just took a photo with the phone and zoomed in. Helps the fish when we have to do a water change for them as we live in a very hard water area

## Frequently Bought Together

- API TAP Water Conditioner Aquarium Water Conditioner 1-Gallon Bottle
- API QUICK START Freshwater and Saltwater Aquarium Nitrifying Bacteria 32-Ounce Bottle
- API STRESS COAT Aquarium Water Conditioner 1-Gallon Bottle, Model Number: 317163100851

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-07-03*