A few general questions on modifying canister filter lines - The Planted Tank Forum
 
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post #1 of 5 (permalink) Old 02-26-2013, 03:01 AM Thread Starter
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A few general questions on modifying canister filter lines

Just got a couple Eheim 2078s (!) to run the 125 gal I'm setting up and got a few questions...

1) I'm going to use two 200 watt inline Hydor heaters so I'm sure I'll need extra hose, but the Eheim literature says only use Eheim hoses. Is this entirely necessary or should I go ahead and get the Eheim hoses? Followup... Do I need to get hoses from aquarium supply specifically geared for aquarium use or will the stuff from Home Depot do ok?

2) Probably going to paint the plastic input and output tubes black (the rigid parts that actually go in the tank) and I'm wondering about what type of paint to use. Saw in another post someone talking about doing the same thing using spray can Krylon Fusion for plastic, which I already know is a good paint for plastic coating. Will this paint do, or should I look for something that is maybe specifically geared to be less toxic and aquarium safe?

3) The Eheim 2078 listed output is something like 490 gal/hr. How much will these inline Hydor heaters slow that rate?

Thanks!
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post #2 of 5 (permalink) Old 02-26-2013, 04:47 AM
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1) If buying new, the filters will come with more than enough tubing to plumb the heaters. Just be sure to install them on the output side. 2) The Krylon Fusion is safe if allowed to properly cure before placing into tank. 3) Not enough to worry about in your case, imo.
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post #3 of 5 (permalink) Old 02-26-2013, 12:27 PM
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The hydor heaters come in 2 hose sizes I believe. So make sure you get one that matches the hose size.
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post #4 of 5 (permalink) Old 02-26-2013, 02:55 PM
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Any hose that is safe for drinking water will work (and will be much cheaper) Eheim just wants your money. You can also stretch the hose in hot water if you want the bigger heaters but i just did that with my 2217 and a 300w hydor and honestly i wish i just bought barbed adapters for a couple bucks
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post #5 of 5 (permalink) Old 02-27-2013, 12:56 AM
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Hardware stores may sell vinyl tubing in 2 styles:
Thick wall and thin wall.
Thin wall stretches easier over the fittings, but it can collapse if used on the inlet side of the filter.
Thick wall does not collapse under normal aquarium use.

Take the equipment with you to the store to size the tubing.
Use hose clamps (There are marine grade stainless steel hose clamps for damp locations, if needed).
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