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Free UK Delivery On Orders Over £50
Established 1989
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Fluval Cycle Biological Enhancer 30 ml

Fluval Cycle Biological Enhancer 30 ml

Code: A8346
  • £3.65
Item in Stock   |   Usually dispatched within 24 hours
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Fluval Biological Enhancer goes to work fast, releasing massive amounts of beneficial bacteria that eliminate toxic ammonia and nitrite to establish a biologically-balanced aquarium.
FAQs
I would like to cycle a new fishless aquarium by using decomposing food or ammonia. Can I use Cycle Biological Enhancer with this option?

Yes, but we don’t recommend either method. Ammonium chloride dosing usually results in excess ammonia concentrations, which prolong the cycle and add unnecessary pollution. If you already have a healthy aquarium, transfer some established filter media from it to your new tank and dose with Fluval Cycle Biological Enhancer.
Why should I dose my tank with Cycle Biological Enhancer regularly?

Frequent dosing of Cycle Biological Enhancer helps to maintain a safe, biologically-stable environment by adding in beneficial nitrifying bacteria. Without regular supplementation of this product, less desirable bacteria can dominate your tank and increase the risk of ammonia and nitrite spikes, as well as disease. Use Cycle Biological Enhancer weekly for optimal conditions, and in particular during water changes and filter media changes.
How do the nitrifying bacteria in Cycle Biological Enhancer survive in a sealed container?

The bacteria has been conditioned to enter a dormancy phase prior to bottling that allows it to survive with minimal food and oxygen intake. It is activated very quickly once introduced to your aquarium.
What are those small beige particles that float around my aquarium after adding Cycle Biological Enhancer?

These particles are called Bio Flocs, and they help provide a safe environment for your fish. As per the product instructions, shake the bottle well before each use to include Bio Flocs with each dose.
I’ve been cycling my aquarium for several weeks and I still have a high level of nitrite. How can I eliminate it?

We recommend a 50% water change and a double dose of Fluval Cycle Biological Enhancer. Subsequently, one or two more 50% water changes should dilute the nitrite sufficiently to ensure the bacteria introduced to keep the nitrite level down.
I would like to cycle a new fishless aquarium by using decomposing food or ammonia. Can I use Cycle Biological Enhancer with this option?

Yes, but we don’t recommend either method. Ammonium chloride dosing usually results in excess ammonia concentrations, which prolong the cycle and add unnecessary pollution. If you already have a healthy aquarium, transfer some established filter media from it to your new tank and dose with Fluval Cycle Biological Enhancer.
Why should I dose my tank with Cycle Biological Enhancer regularly?

Frequent dosing of Cycle Biological Enhancer helps to maintain a safe, biologically-stable environment by adding in beneficial nitrifying bacteria. Without regular supplementation of this product, less desirable bacteria can dominate your tank and increase the risk of ammonia and nitrite spikes, as well as disease. Use Cycle Biological Enhancer weekly for optimal conditions, and in particular during water changes and filter media changes.
How do the nitrifying bacteria in Cycle Biological Enhancer survive in a sealed container?

The bacteria has been conditioned to enter a dormancy phase prior to bottling that allows it to survive with minimal food and oxygen intake. It is activated very quickly once introduced to your aquarium.
What are those small beige particles that float around my aquarium after adding Cycle Biological Enhancer?

These particles are called Bio Flocs, and they help provide a safe environment for your fish. As per the product instructions, shake the bottle well before each use to include Bio Flocs with each dose.

Payment Methods

We accept all major Credit and Debit cards, and these are processed via a third party payment gateway called Opayo. 

We also accept payments via PayPal and PayPal credit. 

Also, you can pay using Android and Apple Pay if you are using a compatible device. 

Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.

Security

When speaking to one of our team, we will never ask you for your bank details, passwords or any private information. We will only ever ask for your order number followed by either your postcode, email address or phone number to verify we are talking to the person named on the account. 

When creating an account on our website, we ask that you use a unique password, this will help keep all your online accounts safe. If you are visiting our website via a smartphone we suggest you use the strong password and store it securely on your phone. 

Our website is run on Visual Soft, which means all your data is stored securely on their servers. 

Next Day Shipping Upgrade - Cut off Midday (12 pm)

Please Note: We only deliver ponds and pond plants on our own delivery vehicles!

The blue highlighted area on the map below is where we deliver on our own vehicle! Unfortunately, if you are not in one of these postcode zones we are unable to deliver certain items such as plants, small glass items and selective other products.

 

delivery-zone

We offer a few different delivery options depending on the size and value of your order.

Orders over £50 qualify for free mainland UK (excludes Northern Ireland) delivery which will arrive within 3-5 working days of the order being processed.

 

Residents of Northern Ireland, please provide your EORI or XI Number.

If you do not have one, please follow the information at https://www.gov.uk/eori

 

Orders Below £50 in Mainland UK will be charged a standard delivery fee of £5.99.

Additional Shipping Charges

For any orders that do not include Aquariums, the below is charged:

Next Working Day Parcel Delivery to Mainland UK - £7.99 OR £2.99 if the order is over £50

Standard Parcel Delivery to Northern Ireland £8.99

Standard Parcel Delivery to Scottish Highlands & Islands £9.99

Standard Parcel Delivery to Jersey & Guernsey £12.99

 

For all Aquarium deliveries (Excluding biOrbs & Smaller Aquariums), the below is charged:

Next Working Day Pallet Delivery - £20

2 Hour Booking Slot Pallet Delivery - £20

Pallet Delivery to Northern Ireland - £38

Pallet Delivery to Isle of Wight (PO36 and Above) and Scottish Highlands (AB, PH, IV1-36, IV63, KW1-14, KY, PA21-41) - £38

Pallet Delivery to Southern Ireland - £48

Pallet Delivery to Offshore postcodes (KA27-28, PA20, PA42-49, PA60-90, ZE, JE, GY. IM) - £70

Pallet Delivery to the Scottish Isles (IV40-56, KW15-17) - £90

Pallet Delivery to Outer Hebrides (HS) - £120

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