Can I add this in my outdoor pond without having to take my fish out?

Yes. Add it whenever you add city water to your pond that has chlorine in it.

Could I use this in a well after shocking it?

This is only meant for ornamental fish use only.

How much do i need when doing partial water change? For example, 15% in 2000 gallon pond.

You may dose for the full volume of the pond if you are unsure or dose for the partial water exchange. Please visit the API website for additional dosing assistance under the resource tab.

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API POND CHLORINE & HEAVY METAL NEUTRALIZER Pond Water Neutralizer 16-Ounce Bottle

Product ID: 8449394

Details

Brand
API
Item Form
Liquid
Item Weight
1.2 pounds
Liquid Volume
16 fluid
Number of Packs
1

⚡Instant neutralization on contact

🐟Detoxifies chlorine & heavy metals

💧16 fl oz super-concentrated formula

R$361

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Sold byAmazon BrazilDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🐠 Keep your pond pristine and your fish thriving—because your koi deserve the best!

TRUSTED LEGACY - Backed by 50+ years of API innovation, ensuring reliable pond care every time.
FISH FIRST FORMULA - Protects delicate gill tissue and promotes a thriving aquatic environment for koi, goldfish, and more.
INSTANT WATER SAFETY - Begins neutralizing chlorine, chloramines, and heavy metals the moment it hits your pond.
SUPER CONCENTRATED POWER - Treats up to 1,000 gallons with less than 20ml—max efficiency, minimal waste.
EFFORTLESS POND MAINTENANCE - Use during water changes or refills to keep your pond crystal clear and fish happy—less hassle, more admiration.

API POND CHLORINE & HEAVY METAL NEUTRALIZER is a 16-ounce, highly concentrated liquid formula designed to instantly remove harmful chlorine, chloramines, and heavy metals from tap water. Ideal for freshwater ponds, it ensures a safe, oxygen-rich environment for fish by protecting their gill tissue and detoxifying toxic metals. Trusted for over 50 years, this product simplifies pond maintenance and supports healthy aquatic life with minimal effort.

Specifications

ASIN	B000255N1E
ASIN	B000255N1E
Allergen Information	Apple Free
Best Sellers Rank	#5,034 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #7 in Water Garden & Pond Treatment
Brand Name	API
Customer Reviews	4.8 4.8 out of 5 stars (1,933)
Date First Available	May 28, 2003
Department	Unisex-Adult
Global Trade Identification Number	00317163051412
Included Components	1 Bottle 16-Ounce
Item Form	Liquid
Item Type Name	Pond Water Conditioner
Item Weight	1.2 pounds
Item model number	141B
Liquid Volume	16 fluid ounces
Manufacturer	Mars Fishcare
Manufacturer	Mars Fishcare
Manufacturer Part Number	141B
Model Number	141B
Number of Items	1
Number of Packs	1
Pet Type	Fish
Product Dimensions	2.5 x 2.5 x 8.75 inches; 1.2 pounds
Target Species	Fish
UPC	317163051412
Unit Count	1 Count

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TrustScore 4.5 | 7,300+ reviews

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The product exactly matches the description. Very satisfied with my purchase.

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R$361

Duties & taxes included

In stock

Sold byAmazon BrazilDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Brazil.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Anita G.

Good experience, but the tracking updates could be better.

2 months ago

Sneha T.

Received my product in pristine condition. Great service overall.

1 month ago

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