How much should i use when doing a 25%change on a 240L tank

25% of Directions Use the API dosing cap on the bottle. To remove chlorine and detoxify heavy metals: Add 1 ml for each 76 liters of aquarium water. To detoxify chloramines: Add 5 ml for each 114 liters of aquarium water.

Please do not send me this product each month. i only needed the one which is a year's supply

When you ordered you should have clicked one time purchase rather than subscribe and save.. it’s not on all listings so double check before clicking buy

How much would you use for a 22l tank?

We put 2ml in our 25 litre tank which is more than you need .you can get small syringes from chemist to measure tiny amounts.this is rally good tap conditioner .

Do you dose for the amount of water you are changing or for the entire volume of the tank?

It should say on the bottle the dosage is for tap water. Having said that if you dose the water for the entire volume of the tank it wouldn't do any harm. You just run out of conditioner a lot faster!

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API TAP WATER CONDITIONER

Product ID: 48695956

Details

Brand
API
Item form
Liquid
Item weight
1.2 Pounds
Liquid volume
16 Fluid
Number of Packs
1

⚡Super concentrated formula: 3ml treats 60L

🐠Safe for freshwater & saltwater fish

💧Neutralizes chlorine & chloramines instantly

R$305

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Description

🐟 Keep your fish thriving with every drop—because your aquarium deserves the best!

TRUSTED LEGACY BRAND - Over 50 years of research-driven innovation ensuring your aquarium thrives.
HEAVY METAL NEUTRALIZER - Detoxifies metals that silently stress and harm fish health.
INSTANT TAP WATER DETOX - Eliminates harmful chlorine and chloramines on contact to protect your aquatic friends.
ULTRA CONCENTRATED POWER - Just 3ml treats 60 liters—max efficiency for busy pros.
DUAL FRESH SALTWATER USE - Versatile formula supports all aquarium types, from tropical to reef setups.

API Tap Water Conditioner is a highly concentrated 473 ml liquid formula that instantly neutralizes chlorine, chloramines, and detoxifies heavy metals in tap water, making it safe for both freshwater and saltwater aquariums. Trusted for over 50 years, it prevents gill damage and tissue irritation, ensuring a healthy environment for all fish species with minimal dosing—just 3 ml per 60 liters.

Specifications

ASIN	B004LO9KSY
Allergen Information	Apple Free
Best Sellers Rank	1,992 in Pet Supplies ( See Top 100 in Pet Supplies ) 16 in Aquarium Water Treatments
Brand Name	API
Country Of Origin	USA
Customer Reviews	4.7 4.7 out of 5 stars (24,949)
Global Trade Identification Number	00017163003526, 10017163003523
Included Components	API TAP WATER CONDITIONER Aquarium Water Conditioner 16-Ounce Bottle
Item Form	Liquid
Item Type Name	Aquarium Water Conditioner
Item Weight	1.2 Pounds
Liquid Volume	16 Fluid Ounces
Manufacturer	API
Manufacturer Part Number	52C
Model Number	52C
Number of Items	1
Number of Packs	1
Pet Type	Fish
Target Species	Fish
UPC	017163003526
Unit Count	473.0 millilitre

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TrustScore 4.5 | 7,300+ reviews

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The MOLLE sheath is of exceptional quality. Very happy with my purchase.

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R$305

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

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

Vikram D.

The MOLLE sheath is of exceptional quality. Very happy with my purchase.

2 weeks ago

View all Trustpilot reviews