FREE EXPRESS DELIVERY ON ORDERS OVER £50 (exclusions apply)

Filter Start

25 products

Showing 1 - 25 of 25 products

Browse our range of filter start bacteria for aquariums online. Filter starting bacteria can be used to speed up cycling of aquarium filters, to improve the efficiency of fish tank filtration, and boost the ability to process ammonia.

Select the fish tank filter start product of your choice from top brands like Dr Tims, King British and NT Labs.

Klarna is available at checkout on all products shown below. Click here for full Klarna terms and conditions.

Showing 1 - 25 of 25 products

Free UK delivery on orders over £50*

Delivered to your door
Click | Buy | Delivered
*Exclusions apply

Satisfied or refunded

60-day return policy

Quick Despatch

Swift and safe delivery.
In stock orders placed
before 2pm sent same day

Secure payments

Purchase with confidence | safe
Klarna 0% finance shop now