DIY FX5 using Hybrid RIO 2800ss with HF12 Impeller.

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Mastiffman

Gambusia
MFK Member
Nov 2, 2010
662
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Hye there gang!

I figured that I'd document my project here and share with you all.

It all started with a RIO 2800ss powerhead that I received with the Purchase of my 135gal Clarity Plus tank. The Pump was stored by the previous owner but unfortunately they didn't have the common sense to pull the impeller and rinse everything off and store the impeller and motor unit seperately. So I tried pullling the impeller but wasn't able to save it. Couldn't find another one so I put the unit aside. Ordered an impeller for a RIO HF12 and installed it into the RIO 2800ss. Works, but a little louder than I'd like for Sump...

What a better idea than to fuse it with a 5 gallon bucket and top to make a Pump. The RIO 2800ss is rated for just under 800gph (no media)... And with a Much better impeller in it (RIO HF12) it shuld work Very well and possibly pump more than 782gph!? So I plan on creating a canister filter that is comparable if not better to the FX5's filter power... Probably not so much for ease of use being that mine will have a "snap on" lid... Typical 5gal bucket style.

Anyway, here is the progress so far. I have to wait for the dual compound epoxy to fully cure before adding any of the media trays. Which I'm still brain storming about. my thought it to get a couple or three 2gal buckets, cut the bottom 3 or so inches off, cut wide slits on the sides, and holes in the bottom or cut out the bottom except fro a cross (+) pattern and place meash down there and stack them. The wrap 1 big sleave of medium-course foam around them all or each... That I will have to figure out. It's that or use egg crate to make 2 levels. Top 1/3 of the canister for (from top to bottom) course, then medium, the fine foam pads the width of the Top of the Canister and Biomedia to fill the bottom 2/3's of the Canister.

So I will be updating the thread periodically, so keep watching. This will be a good thread as I'm not a "half-***" type of fabricator...

First I started out by using the Bottom Grate of the RIO 2800ss to trace the needed cutout for the pump. I just used a standard ball-point pen.

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As you can see, I didn't "roll" the grate as this would have created a larger hole than needed. I was careful to hold it still as I traced...

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I then carefully used a utility knife to cut out the hole in the bucket. I had to fit the pump as tight as possible to avoid a "sloppy hole"! No one likes those... :grinno: Making repeat attempts and not cutting more off than needed...

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It's not perfect and there were a few spots that weren't as snug as they could've been but overall, it was a nice fit.

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Inside lok before sanding.

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Next, I used some course grit sandpaper (200) to rough up the palstic bucket at the edge of the hole, inside and out. This is a must for smooth surfaces that you will be adhering to one another using epoxy or similar adhesives. Otherwise the adhesive will fail as it didn't have anything to "grab" onto (I learned this in previous small projects).

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This pictures shows how far around I sanded to ensure that I didn't leave any unsanded area to be adhered to, thus creating a possible weak spot and then a leak.

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MORE...................

I used Loctite Dual Compound Epoxy to secure the pump to the Can. Making sure to fill the tiny crevaces all fo the way around, not leaving anything open. I will also be using this same expoxy on the inside seam as well and then I will cover it with a moderate layer of neatly spread silicone.

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As you can see, the pump will be sitting in almost the same identicle place as the FX5's but will not be removeable. BUT the impeller has a cap that screws on and off over the intake cap. This iwll ensure ease of impeller remove and inspection for future maintenance or replacement.

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The RIO HF came with a 90* elbow that will placed pointing downward to avoid sucking in any bio materiala dn I may end up putting a grate over it as well as this may aid in possible stacking of "trays" if I go that route...

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Here are a couple of shots of the pump with epoxy set, but not cured. Useable cure time is 5-8 hours and full cure time is 24hours. This stuff cures hard as a rock!!! but also has a tint bit of elasticity to it as well. Really good stuff if use properly! I did use it once to fix an output port on the lid of an FX5 and it lasted about 4-5months... then Blew off at 3am one night! What a mess. I did catch it as I was only down the hall sleeping. It was only a couple of gallons of water on Hardwood floor... Lesson learned.

ON with the Pics!

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So it's coming along and I think that it will turn great! This is all stuff that I had previously and I wil tally up a total cost fo the DIY build when done. I'm only estimating ahving to purchase about 3 2 gal buckets from the hardware store, Course Filter Sponges and some Bio Media....

Stay tuned for updates on the build.

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Used GE Silicone I 100%, to Siliconed the inside seam where the pump in inserted into the can...

24 hour cure time....

Water leak test..... All is well at half way full. Left water in it for 1hour and it was leak free.

Going to let the silicone Cure for a few more days now... Will be owkring on the Filter media order, trays and lid at this point...

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Very nice craftsmanship, but I would be very worried about it leaking. Bucket lids aren't really designed to hold that much pressure. Also, the epoxy won't really bond to the polyethylene bucket and may come loose over time. I hate to be too pessimistic - it may work, but I sure wouldn't want it my living room.
 
Nice start. Do you have any plans to secure the lid as Dan pointed out? This should be a cool DIY.
 
Very nice craftsmanship, but I would be very worried about it leaking. Bucket lids aren't really designed to hold that much pressure. Also, the epoxy won't really bond to the polyethylene bucket and may come loose over time. I hate to be too pessimistic - it may work, but I sure wouldn't want it my living room.

Actually the epoxy I've tested out on other plastics and it's actually quite strong if Surface prep is correct. I thought about putting a brace around it and anchoring the brace to the 5gal bucket. Maybe trying some welding solvent and some acrylic blocks... The Pressure will be inside the powerhead. Water will flow intot he bucket through the top and will get sucked into the powerhead and up the tube that goes through the lid and onto a output tube... There is room on the inside possibly for a bracket to anchor it from inside the pail... IDK, well see. It's going to be tested for some time before being brouht into the house for perminant use. but it seams really strong at this point. I can lift the whole unit up by the powerhead...

Nice start. Do you have any plans to secure the lid as Dan pointed out? This should be a cool DIY.

The lid is a Hard Snapon typ with a Gasket that seals it underneith to the rim of the Pail.... Will be more than enough IMHO... It's hard to even get off. YOu have to Pop the sides off one by one and that it tough enough to do by myself...
 
Okay, here are the pics of the updates and another video of the second test run.

I added an intake tube inside of the can that allows the air to excape out of the hole drilled into the output Bulkhead to allow for the proper priming cycle... I also changed out the HF12 impeller (I was messing around with this originally and forgot that I altered it, hence the noise) and replaced it with an HF14 impeller. So the noise was lessened form the motor. I also wrapped the output ports threads with teflon tape to stop the leak. but that's not in the pics or the second video...

The Video gives a little explaination of things as well. it also shows the air escaping out of the output tube as opposed to the intake as in the first video... I will now have to mod the ports for Shutoff Ball Valves and then have to figure out the media trays.... So far the price of the build IF I were to purcahse everything would be (Round up with everything to the nearest dollar). A lot of this stuff could be purchased used also. 5 Galolon buckets cn be found at garage sales for Very Cheap! ($.25 - $.50)

1. RIO 2800 Pump- $36 (Also used a few extras that came with the RIO 2800ss and a RIO HyperFlow could als be used)
2. 5 gallon Bucket w/ lid- $5
3. 2x .75" Bulkhead- $8
4. 1" Tubing (10ft roll) $15
5. .625" Tubing (10ft roll or can be purcahsed by the foot) $6 (10ft roll) or $1 for 1ft
6. Expoxy and silicon- $10
7. .75" PVC (2ft) and .5" PVC (2ft) $5

Total= $79 - $85 so far. But like I said, I had almost all of this stuff laying around...

Pics:

Output Tube from Pump to lid:
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Bottom of lid with intake tube:
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Parts for intake tube under lid and assembly:
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Lid and intake tube assembled and compared to canister and output tube:
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Hole drilled with 3/16th drill bit for escaping air in output bulkhead:
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Canister filled halfway up like the FX5 says to do before attaching lid and priming:
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Second Test run Video. I don't think that I had the cap on the pump screwed completely down, hence the beginning noise....

[YT]HsdGE4-5G5I[/YT]

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