can this be used in birdbaths to help with algae?

It would probably hurt the birds skin or even kill them if the drank it. So, no, I wouldn't use it for that. I think algae in a bird bath is inevitable since they get so much sunlight. A good scrub once a week would be your best bet.

Will algaefix harm the silicone decorations in my tank? do i have to remove these decorations in order to use this product correctly?

API Algaefix can be used with the silicone decorations within the aquarium without adverse effects.

Any one know if this will kill your bio filters?

not sure on the bio filters, but it killed half our fish.

I have 6 gallon aqueon Ascent frameless tank. How many drops do you put in tank to control algae problem.

Don't do it. It killed every fish in my tank, I had to change out EVERYTHING and start from scratch. New substrate, airstone, any decoration, all plants, I mean EVERYTHING. This is cyanide

Api Algaefix Algae Control 16 Ounce Bottle

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Sold byAmazon SeychellesDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🌿 Clear water, happy fish—ditch algae before it crashes your aquatic vibe!

TRUSTED LEGACY BRAND - Backed by 50+ years of API innovation, ensuring reliable and research-driven aquarium care.
RAPID ALGAE KNOCKDOWN - See visible results overnight on green water and stubborn hair algae blooms.
AQUARIUM FRIENDLY FORMULA - Safe for fish and plants when used as directed—maintain a thriving aquatic ecosystem.
MAINTENANCE MADE EFFORTLESS - Switch to weekly dosing after initial treatment to keep your tank crystal clear.
PRECISION DOSING FOR MAXIMUM CONTROL - Easily treat 10 gallons with just 1 ml for targeted algae elimination.

API ALGAEFIX is a 16-ounce liquid algae control solution designed to rapidly eliminate green water and hair algae in freshwater aquariums. Its precise dosing (1 ml per 10 gallons) ensures effective treatment without harming fish or plants when used responsibly. Ideal for ongoing maintenance, it reduces tank cleaning frequency and supports a healthy aquatic environment. Trusted by aquarists for over five decades, API ALGAEFIX delivers fast, safe, and proven algae control to keep your aquarium pristine.

Specifications

ASIN	B003SNDNQ4
Allergen Information	Apple Free
Best Sellers Rank	#1,975 in Pet Supplies ( See Top 100 in Pet Supplies ) #6 in Aquarium Water Treatments
Brand	API
Brand Name	API
Customer Reviews	4.2 out of 5 stars 15,210 Reviews
Global Trade Identification Number	00317163050873
Item Form	Liquid
Item Type Name	Aquarium Algae Remover
Item Weight	0.2 Pounds
Liquid Volume	16 Fluid Ounces
Manufacturer	Mars Fishcare
Manufacturer Part Number	87E
Model Number	87E
Number of Packs	1
Pet Type	Fish
Target Species	Fish
UPC	317163050873
Unit Count	1 Count

Reviews

S**N

15.05.2013

K**W

12.03.2025

O**N

25.04.2026

C**.

31.03.2026

M**R

15.06.2017

E**N

5.04.2026

R**.

2.04.2026

K**A

8.04.2026

E**T

7.12.2024

N**O

29.06.2025

J**N

12.07.2023

Z**D

1.11.2025

R**T

28.02.2020

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₨590

Duties & taxes included

In stock

Sold byAmazon SeychellesDelivered 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 Seychelles.

Secure transaction

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API ALGAEFIX Algae Control 16-Ounce Bottle

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Description

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Common Questions