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Shopping list for a 400 litre tank

jmkgreen

New Member
Joined
15 Jun 2009
Messages
16
Hi I've been looking on eBay to get a pressurised CO2 system. One question I have is whether to get a diffuser or a reactor.

A diffuser seems cheap but apparently can break particularly under the pressure needed for a 4x2x2ft tank. A reactor seems more suitable but is quite expensive.

I'll probably end up getting one of these: http://cgi.ebay.co.uk/2kg-Co2-Fire-Exti ... 35a7ba8df0

And one of these: http://cgi.ebay.co.uk/ws/eBayISAPI.dll? ... 3364wt_941

Assuming they're deemed good quality at affordable prices???

I really need advice on the diffuser or regulator though. Thanks!
 
Ouch @ price...

Lights: 2x 54w T5. Filter is Eheim 2075 with a Hydor eth 300 fitted.

At 14 inches I don't have pipework length to install the reactor 1000. Perhaps the 500 would suffice? I can add an extension apparently.

I need to replace my hoses anyway to be fair, they connect to an eheim shephard's crook which in turn directly connect to a spray bar. Not possible to clean it.

Given I "only" have a single eheim I'm also considering eliminating dead spots with a circulation pump. So much to consider lol!
 
jmkgreen said:
Filter is Eheim 2075 !
You will need at least two of those, or maybe even bigger better filters. I have a more powerful filter in my 125 litre tank ;)
 
What filter do you have?

Incidentally I checked at my LFS, they suggested I check Sera for a new in-line Co2 system that connects to the output pipe of external filters. I can't find it though...
 
I have a JBL CristalProfi e1500, for the price of that Eheim you can get two of these and have 3000lph filtration. Then if needed just had some Koralia pumps for circulation.

Just get a Regulator from ebay and use Fire Extinguishers ;)
 
jmkgreen said:
What filter do you have?

Incidentally I checked at my LFS, they suggested I check Sera for a new in-line Co2 system that connects to the output pipe of external filters. I can't find it though...
They are on seras website here - http://www.sera.de/index.php?id=1101&L=1.

TGM have them in but I dont think its on their website yet. might be worth giving them a call?
 
I had seen that but wasn't sure what it was. I actually quite like the idea of either co2 tube terminating directly underneath a power head or the tube going into a plastic bottle acting as a DIY reactor (as seen on youtube).

The powerhead idea would certainly add plenty of circulation but I'm unsure about the accuracy. The bottle could be refined but adds bulk.
 
Hi jmkgreen

I `m using co2 regulator you are planning to buy.

I have no problems with it apart one thing. The needle valve could be more accurate. it takes some time to adjust it to your need but once set up it fine.
 
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