Qium Cyano Control 150g 300g 500g


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Qium Cyano Control – Also known as Cyanobacteria and red slime algae.

qium cyano control cyano cyanobacteria treatment

We hate this eysore and are happy to bring you Quim Cyano Control!

Cyanobacteria, aka red slime, is the bane of many a hobbyist. Besides being ugly to look at, it can be unhealthy to your tank’s inhabitants as a severe cynobacterial infection can reduce the water quality significantly.

Qium Cyano Control aims to rid your aquarium of cyano fast and reliably all without using antibiotics and other harmful additions found in other common remedies.

The metabolism of the bacteria creates numerous harmful by-products that can negatively impact fish and coral. To prevent permanent damage its best to treat cyanobacterial infestations as early as possible.

Using Qium Cyano Control:

For best results ensure that filtering and skimming is provided sufficiently. Remove any residue of dissolved cyanobacteria. Control pO4 (phosphate) and NO3 (nitrate) parameters on a regular base. Do not overdose. Use of activated carbon would be of benefit.

Start with 1g of treatment for each 100L of aquarium volume and increase the amount by 1g per day up to 5 g maximum (per 100L).

Mix the treatment with water from your aquarium rather then adding it directly to the aquarium. Use 500ml of aquarium water for each 100L of water being treated. Make sure the treatment is fully dissolved in the water. Pour the solution into a high flow area in the sump or if you have no sump then directly into a high flow are of your tank.

During the treatment of Qium Cyano Control the aquarium water can become cloudy. This is absolutely harmless. Please interrupt the treatment during this cloudiness and continue as soon as it has disappeared. During treatment corals can lose or change colour which is normal. In this case you can add trace elements or amino acids such as Red Sea Energy A&B.

Repeat the treatment on a daily basis until the bacteria has totally disappeared.

Minimum treatment period should not be less than 14 days.

There are things you can do to help prevent this horrible slimy pest that can smother your aquarium. These include:

  • Increased flow

  • Improved Lighting

  • Reducing and balancing nitrates and phosphates (water quality testing)

  • Avoid overfeeding, particularly with frozen food we recommend vitalis dry food for daily feed.


Maintenance getting too much for you to handle? Why not hire a specialist to help out so you can get back to sitting back and enjoying your aquarium.


Additional information


150g, 300g, 500g

Delivery Information

All in stock orders placed before 12pm will be shipped the same day unless otherwise stated. Your order will be shipped via the delivery method selected at checkout.

All deliveries (excluding pallets and livestock deliveries) over £50.00 will be sent via 1-2 day courier free of charge. Orders under £50.00 will have both a 2-3 day service available at £3.95 and a 1-2 day service at £5.95 offered.

Please note that all services rely on third-party couriers to deliver on time and in good order. We will alway enever to use the best service available. At the moment this is Royal Mail, UPS and DSL. We will of course do our best to ensure that your delivery arrives when stated at the time of purchase, however, we can not be held liable for delays caused by the delivery company.

Aquarium & Pond Services