FX6 / FX5 External Filter (Freshwater) Upgrade Kit
Foams for outer parts of trays should be cut to 37.5cm (14.75") x 9cm (3.5"). You will be able to cut 3 foams from each 17" x 11" coarse and medium foam so as this kit has 2 x coarse and 2 x medium foams that gives you enough for all 3 trays.
The fine pads can be carefully ripped to a suitable thickness then cut to size for the top tray - you only need one fine pad on top of the top tray.
This video explains the full process of upgrading an FX6 and also applies to an FX5:
HOW TO UPGRADE AN FX6 / FX5
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Reviewer: ian aldridge draper newcastle-upon-tyne
Purchased BIO-HOME ultimate feb 2018 within 5 months my tank achieved full cycle. When you replace fluval foams with this upgrade it does make sense because the poop is getting broke down in 2 stages as apposed to only 1 with the original foams that came with filter. So this means that less poop is hitting polishing pad greatly improving flow rate and less time stripping down cleaning your filter i clean my filter every 8-10 weeks. pondguru is right if you have a fluval fx filter and you pimp your filter as in his videos remove the 2 red half inch media baskets because my flow has greatly improved since i took these out putting less strain on impellar and motor. Well worth the money to up-grade it will pay you back dividends in long haul.
Reviewer: hendrik ridderbos the netherlands
i bought my fx6 upgrade kit about three weeks ago.
send on monday arived on wensday compliments for that.
installed the fx6 filter and have it running for about 2 /3 weeks now.
i have a juwel rio 240 aquarium with 10 piranhas .
they are 6 to 8 cm the fish en like all predetory fish the make a lot of waste.
now people who wonder how good the biohome and filterupgrade is and works.
here are some test results mesured with hanna test instruments.
nitrite 0.036 mg/l
and these are the results after only two or three weeks.
so i think biohome and of course the filter setup does a verry verry good job.
0.036 mg/l nitrite on a piranha tank is superior .
so to all the people who are sceptical i hope this take some away.
i would say buy it and take the advice from richard because he knows what he is talking about .
again thnx richard for the advice and i hope that people after reading this will have less doubts.
Reviewer: Alan Jones Holyhead
Great advice and service from Richard, I bought this kit after my experience of BIOHOME mini I loaded into a brand new Fluval 207 , constant 5ppm nitrate level, after 4 months running, so looking forward to the Fluval FX6 results, the kit has 2 sheets each of course, medium and fine sponge to be cut to length , enough for the required 6 sections and top 1 the 5kg of BIOHOME ultra, and the Bio balls to help colonise the filter, all swiftly posted in secure packaging, very pleased with my purchase