Skip to product information
1 of 1

Kusuri Filter Starter Booster

Kusuri Filter Starter Booster

Regular price £20.22
Regular price £20.22 Sale price £20.22
Sale Sold out
Tax included.
View full details

Kusuri Filter Starter Booster is a ready to use filter bacteria, simply pour directly into filter chambers to boost the nitrogen cycle, beneficial after medication or adding new fish.

Kusuri Filter Starter Booster contains beneficial strains of nitrifying and denitrifying bacteria, which can be added after medicating, adding new fish or as a general boost to the filter at any time of the year. Filter Starter Booster will improve water quality, is suitable to kick-start filters at the beginning of the season, after chemical treatment and as a boost to the pond filter. Kusuri Filter Starter Booster can be used in conjunction with salt. For best results use above 15°C as bacteria split multiply and divide more efficiently the warmer the water temperature.

Use at the rate of 100ml per 1000 litres (220 gallons).

Shake bottle and apply either straight to the pond, or directly into filter chambers to boost the nitrogen cycle, beneficial after medication or adding new fish. Switch off any UV lighting for a period of 3 days.

Use every 7th day for:
- New pond or new filter installation for 3 to 6 weeks.
- Spring, or when feeding resumes after winter for 2 to 3 weeks.
- After any chemical treatment to the pond for 1 to 2 weeks.
- When adding new fish stock to any pond for 1 to 2 weeks.

Dosing should be continued if any detectable presence of toxic Ammonia or Nitrite is found.

  • Experience

    We have over 40 years of experience in the industry

  • Koi Kare


    We are koi keepers too!

    We share the same passion as our customers

  • Availability

    We are only a phone call or email away. Do not hesitate to ask us questions - we love sharing our knowledge!

  • Competitive Pricing

    We regularly review our pricing to make sure our rates are fair for our customers

Frequently Asked Questions

How Much Is Delivery?

Our delivery is free for any orders over £100.

For all orders under £100 delivery is £4.99.

How Do I Make A Return?

To start a return, you can contact us at If you have a valid return instructions will be made on how to make the return.

Please do not post a return without contacting us first.

What Is The Best Way To Contact You?

The best way to contact us is via our contact page here.

How Soon Will I Get A Refund If I Make A Return?

Refunds will be processed within 7 days of us receiving and checking the item.

Need Advice?

If you need advice or help with what products to buy, please reach out to us on our contact us page.