May I use this when cleaning an aquarium weekly instead of using stress enzyme?

Yes, I use it every time I clean the aquarium. I usually put half the required amount directly into the filter (once I've clean it) and the rest in the tank itself. Its perfect for introducing new fish to the aquarium as well as when cleaning it out.

How much quick start should i use when doing a water change? should i use dosage vs total water in the tank (30l) or water i am changing (7.5l) thx

As it's a partial water change; not servicing the filter itself; stick with the amount for the total capacity of the tank will be adequate. A little over will do no harm either, adding a little now & then will keep both the tank & filter up with its ideal bacteria levels to process the muck etc. Some with more money then sense will dump the whole bottle regardless.

Do I need to remove the carbon whilst using Quick start.

Not at all, its all part of the natural waste breakdown you're attempting to build into the filter system overall. In any-case usual charcoal media is replaced a few times before the rest of the filter needs cleaning out. The charcoal itself will be somewhere else for the good bacteria to colonise. In some cases the bacteria will help quicken the breakdown the mulm clogging up the charcoal too & may extend its use a little.

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API Quick Start Nitrifying Bacteria for Freshwater and Saltwater Aquariums, 118 ml Bottle

Product ID: 48557707

Details

Brand
API
Item form
Liquid
Item weight
0.3 Pounds
Liquid volume
118
Number of Packs
1

⚡Instant fish-ready aquarium

🌊Safe for freshwater & saltwater

🧪Powerful nitrifying bacteria blend

£15.35

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Description

🐠 Dive in now—your fish’s new best friend awaits!

TRUSTED PROVEN - Highly rated with 4.7 stars from over 15,000 users, made in the USA for quality assurance.
ROUTINE PROTECTION FORMULA - Regular use reduces harmful compounds, keeping your aquatic ecosystem thriving.
STRESS FREE FISH ADDITIONS - Minimizes fish loss during new additions, water changes, and filter swaps.
START YOUR AQUARIUM INSTANTLY - Add fish immediately with no waiting period thanks to fast-acting nitrifying bacteria.
DUAL ENVIRONMENT COMPATIBILITY - Perfectly formulated for both freshwater and saltwater tanks, ensuring versatile use.

API Quick Start Nitrifying Bacteria is a 118 ml liquid solution designed to instantly establish beneficial bacteria in both freshwater and saltwater aquariums. It enables immediate fish introduction by reducing toxic compounds, preventing fish loss, and supporting a healthy aquatic environment. Trusted by thousands with a 4.7-star rating, this USA-made product is essential for new setups, water changes, and filter maintenance.

Specifications

ASIN	B006YG1ZLC
Allergen Information	Allergen-Free
Best Sellers Rank	1,263 in Pet Supplies ( See Top 100 in Pet Supplies ) 8 in Aquarium Water Treatments
Brand Name	API
Country Of Origin	USA
Customer Reviews	4.7 4.7 out of 5 stars (15,334)
Global Trade Identification Number	00317163030899
Included Components	See Description
Item Form	Liquid
Item Type Name	API QUICK START Freshwater and Saltwater Aquarium Nitrifying Bacteria 118 ml Bottle
Item Weight	0.3 Pounds
Liquid Volume	118 Millilitres
Manufacturer	API
Manufacturer Part Number	89C
Model Number	89C
Number of Items	1
Number of Packs	1
Pet Type	Fish
Product Warranty	Manufacturer Fault
Target Species	Fish
UPC	317163030899
Unit Count	118.0 millilitre

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£15.35

Duties & taxes included

In stock

Sold byAmazon UKDelivered 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 UK.

Secure transaction

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Join PRO →

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TrustScore 4.5 | 7,300+ reviews

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