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D-D Fluidised Media Reactor
D-D Fluidised Media Reactor
Filter media is an essential part of maintaining good water quality in any aquarium. They help remove excess pollutants and raise water quality. Filter media is often placed into filter bags, this can lead to an inefficient filtration process as not all the media comes into contact with the water, leaving its full capacity unused. System reactors negate this problem as the media is placed loose into a chamber and the water is forced through so all the media comes into contact with the water without any of it being lost.
The FMR75 Fluidised Reactor has been developed by D-D to give the ultimate economic solution for fluidising a whole range of materials that are used on your marine or freshwater aquarium. D-D have spent a lot of time ironing out the bugs to make this a flexible product, ideal for all hobbyists.
The FMR75 Reactor is affordable enough to be used on small tanks or to allow multiple units on larger tanlks, however there is no compromise over design and build quality as it is no good having the best reactor in the world if it breaks after 5 minutes of use.
It is important to be able to mount the reactor in a range of positions depending on the system. The FMR75 can stand in the sump, beside the sump, hang on the sump or hang and clamp directly on the tank via the bracket incorporated into the lid design. The inlet and outlet pipes can be fitted in a number of positions to allow pipework to run in different directions.
The main requirement of the reactor is to fluidise media efficiently which the FMR reactor does very well. The base of the body is dished to disperse an even flow of water from the central downpipe through 360 degrees, preventing dead spots.
Next there is a lower perforated diffusion plate which acts as a lower support for the media when not switched on which creates an empty plenum area below for faster fluidisation on restarting and to prevent compacting of media at the base of the reactor. A coarse sponge is provided to be used with fine materials that may pass through the perforated plate however this is not normally required for most medias.
Many reactors make it difficult or impossible to refill the media without emptying out the reactor first as the central tube comes off with the lid. This and the lack of a lower diffusion plate means that the media fills the tube when you put the lid back on, making it hard to restart.
The central feed tube on the FMR75 is separate and so the lid can be removed easily leaving the tube and media in place so that it is a simple matter to top up and to put the lid back on. Sounds obvious but you would be amazed by how many reactors you cannot do this with.
There are no multiple screws to undo to remove the lid as it is screwed on and sealed with a multi stage replacable seal at the top of the body.
In a power off situation, where the reactor sits above the water level, the water and media will back syphon through the pump. The FMR75 is supplied with a non return valve which can be used if required, depending on installation, and prevents this problem from occuring - simple but effective.
These reactors are small enough to use on the smallest of nano tanks but with sufficient capacity to use on larger systems.
- 128mm x 94mm x 440mm (including fittings and lid)
- Reaction tube outer diameter - 80mm
- Tube height between upper/lower perforated plates - 340mm
- Can hang on glass up to 25mm
- Designed to be the correct height to hang on a 15" sump (will stand inside smaller sumps or hang onto taller sumps).
Suitable for
- Rowaphos or Phosphate Removers
- Nutrifix Bio Pellets (Up to 700ml)
- Carbon
- Biological Sand as a fluidised sand filter
Included
- FMR reactor
- 3 x lengths of clear plastic tubing
- Non return valve
- Flow adjustment tap
- 2 Grades of media sponges (1 of each)
- 8 x cable ties for securing the pipework
Delivery
Delivery costs for your order will be calculated during the checkout process based on your delivery address and the contents of your basket. You will only pay one delivery charge for your order. Express delivery is FREE for online orders OVER £39 unless any of the points below become a factor.
- Some large items like aquariums, ponds and pond liners will have an additional charge of £45.00 to help offset the cost of a pallet delivery.
- Orders containing a physical gift card will have an additional charge of £2.45 to cover the cost of materials and delivery (digital gift cards are a free alternative).
- Orders to highlands, islands and Northern Ireland may incur an additional delivery charge displayed at checkout this is based on the postal code provided. DPD provides a list of postal codes which have additional surcharges. Some of these post codes may also take 2 working days to arrive, even on express. Pallet deliveries cannot be sent to these post codes.
We only ship to the UK and cannot ship internationally.
We aim to dispatch items that are currently in stock on the same working day if they are ordered before 2.45 pm (excluding Bank Holidays). Orders after 3pm will be dispatched the following working day, unless it fits any of the below criteria:
- Orders containing live plants will take up to 2 weeks to arrive. We take a week's worth of customer orders and then inform the plant farms of the specific quantities we need to fulfil that week's order to avoid wastage.
- Pallet orders containing large items like big aquariums will take additional time to arrive as they are sent by a third party. These orders will NOT be dispatched until we have been in touch to arrange a delivery date, this is to ensure someone is available at your address to sign for the delivery. Deliveries will generally be delivered ‘curb side’ within the terms of the agreement we have with our couriers so you will need to make arrangements to transfer larger items into your home yourself. Unfortunately, our drivers are not insured to transfer the aquarium into your home.
- Physical gift cards and items from the gift shop (such as clothes, towels etc) are sent with 1st Class Royal Mail. Delivery usually takes 1-2 working days, though in rare cases and orders placed closer to public holidays (Christmas, Father’s day, Mother’s day etc.) may be longer.
Returns
If you are not 100% satisfied with your purchase online from our website, you can return the product and get a full refund or exchange the product for another one, for up to 21 days from the date you purchased it.
We strongly suggest signing up for an account with fishkeeper.co.uk as this will allow for some additional returns options like return to your local store.
If you checkout as a guest you will need to return the product to Maidenhead Aquatics, PO Box 619, Egham, Surrey, TW20 2BS, please package the order (along with a packing slip or a note including your name, address and order number).
Large pallet items like aquariums are deemed delivered successfully with no damage once the the driver has left the property. If a report of damage is submitted after the driver has left we may be unable to assist with replacements. We recommend refusing a damaged delivery, this is the fastest resolution.
Our full terms and conditions can be found here. When you place an order with us online you are agreeing to these terms and conditions.
For delivery before Christmas, orders must be placed on or before 3pm on Wednesday 20th December. We cannot guarantee delivery of these orders pre-Christmas as we are reliant on our couriers, but will use our best endeavours to get orders placed on this date out to you before Christmas. For full details of our festive delivery and opening times click here
Please note: online orders placed after 3pm on Friday 22nd December will not be dispatched until the New Year. For full details of our festive delivery and opening times click here