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 you use this every time you change water

Hi yes you do . I mix about 10 caps in to cold water half filled bucket and stair it about leave it till water change the next day . Hope this helps you .

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API Quick Start Nitrifying Bacteria for Freshwater and Saltwater Aquariums, 30 ml Bottle

Product ID: 53996702

Details

Brand
API
Item form
Liquid
Item weight
41.13 Grams
Liquid volume
1 Fluid Ounces
Number of Packs
1

⚡Instant fish addition

🌊Works for fresh & saltwater

🧪30 ml potent liquid formula

£5.72

Duties & taxes included

In stock

Sold byAmazon UKDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🐠 Transform your tank instantly with friendly bacteria magic!

DUAL HABITAT POWER - Effective in both freshwater and saltwater tanks
ROUTINE PROTECTION - Continuously reduces harmful compounds for healthier fish
TRUSTED BY THOUSANDS - 4.7-star rating from over 15,000 aquarists worldwide
STRESS FREE WATER CHANGES - Supports safe water and filter media swaps without fish loss
JUMPSTART YOUR AQUARIUM LIFE - Add fish immediately with no waiting period

API Quick Start Nitrifying Bacteria is a 30 ml liquid solution designed to instantly establish beneficial bacteria in both freshwater and saltwater aquariums. It enables immediate fish introduction, reduces toxic compounds, and supports routine maintenance to prevent fish loss, making it a must-have for both new setups and ongoing aquarium care.

Specifications

ASIN	B00DDYZQY0
Allergen Information	Apple Free
Best Sellers Rank	1,664 in Pet Supplies ( See Top 100 in Pet Supplies ) 15 in Aquarium Water Treatments
Brand Name	API
Country Of Origin	United Kingdom
Customer Reviews	4.7 4.7 out of 5 stars (16,175)
Global Trade Identification Number	00317163010891
Included Components	API QUICK START Freshwater and Saltwater Aquarium Nitrifying Bacteria 1-Ounce Bottle
Item Form	Liquid
Item Type Name	Aquarium Bacteria
Item Weight	41.13 Grams
Liquid Volume	1 Fluid Ounces
Manufacturer	API
Manufacturer Part Number	89A
Model Number	89A
Number of Items	1
Number of Packs	1
Pet Type	Fish
Target Species	Fish
UPC	317163010891
Unit Count	1 count

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