NT Labs Koi Care Filter Bugs is a concentrated liquid filter bacteria treatment formulated for pond environments. Available in 2500ml, 500ml, and 1-litre sizes, this blend includes Nitrosomonas, Nitrobacter, Nitrospira, and supporting cultures to boost biological filtration. Ideal for use when starting up filters, after water changes or treatments, and during periods of elevated ammonia or nitrite.

Key Features:

• Contains essential nitrifying bacteria for healthy pond filtration
• Supports water quality by converting harmful ammonia and nitrite
• Suitable for use with Pond Salt Plus at tonic or anti-stress levels
• Easy liquid application directly into the biological filter media
• Recommended for use after cleaning, seasonal starts, or adding new fish

Maintain stable, high-quality pond water with NT Labs Koi Care Filter Bugs. Use weekly or as needed to support your filter’s bacterial population and promote a balanced aquatic environment for koi and other pond fish.

Aquacadabra acts as credit broker/intermediary and not as a lender.

Klarna's credit products are provided by Klarna Bank AB, which is authorised and regulated by the Swedish Financial Services Authority, with limited supervision by the Financial Conduct Authority. More information can be found here.

Newpay finance options are provided through Deko’s platform by NewDay. P.D. Aquatics Ltd, t/a Aquacadabra is an Introducer Appointed Representative of Pay4Later Ltd, t/a Deko, which is authorised and regulated by the Financial Conduct Authority (ref no 728646) and is a credit broker, not a lender. NewDay Ltd is authorised and regulated by the Financial Conduct Authority (ref no 690292) and is authorised by the Financial Conduct Authority under the Payment Services Regulations 2017 for the provision of payment services (ref no 555318). More information can be found by clicking the newpay option above, or in the Newpay FAQs.

We really want you to be happy with the product that you've received. If however, when the goods arrive they're not what you want, then no problem - we have a 60 day no quibble return guarantee. Just let us know that you're going to return the item(s) by contacting us(stating your Order Number) and complete the returns packing slip that will have been included with your delivery. This will help us to quickly identify the item that you have returned (unopened and unused) - and we'll put a refund through for you.