Colombo Bacto Start - Beneficial bacteria for starting and maintaining aquariums (Best Before Date September 2026

High Ammonia or Nitrite levels are a direct danger to your fish. If ammonia or nitrite levels are too high, make a water change and add Colombo Bacto Start. The beneficial bacteria in Bacto Start help to breakdown. Colombo Bacto Start contains living bacteria and will start and improve the performance of your aquarium filter.

Use:
For new aquariums: Add 10ml Bacto Start for every 10 litres of water.
For existing aquariums: Add 5ml Bacto Start for every 5 litres of water after a major water change or filter cleaning. The cap holds 10ml. Overdosing is not harmful, and in fact it yields an improved effect.

30 years of experience!
Colombo produces professional products for the maintenance of your aquarium and pond. Our company is based in the Netherlands. Our products are developed with over 30 years of experience and continuous improvements supported by solid research and product development. Every product is tested intensively before we market it; this way we can guarantee optimal results.
During the product development we have focused on creating products that are both user friendly and high quality.