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https://www.swelluk.com:443/jbl-bionitrat-ex-240g/ 
JBL BioNitrat EX 240g
JBL BioNitrat EX allows you to effectively eliminate the presence of algae, without needing to use chemical additives. By introducing a nitrate-eliminating bacteria into the water the algae is literally starved to death, as it is deprived of nitrate.
Product Information
To eliminate algae from your fish tank without harsh chemicals, choose JBL's BioNitrat Ex.
Suitable to use in most aquariums, this product will introduce a nitrate busting bacteria in to the water which will starve the algae. BioNitrat Ex contains food for the algae too, so it works independently to ensure a clear, clean tank.
Order this eco-friendly product from JBL today, and take advantage of our great prices and fast, free delivery options.
Key Features:
- Removes the main nutrient of algae, nitrates from the water.
- Operates exclusively through nitrate-eliminating bacteria, without the use of chemical additives or exchange products.
- Bacteria need no extra feeding, as substrate includes feed.
- Also suitable for use in marine aquariums.
- Treats up to 200ltr aquariums.