Canreef Aquatics Bulletin Board

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Canreef Aquatics Bulletin Board (http://www.canreef.com/vbulletin/index.php)

- Polls (http://www.canreef.com/vbulletin/forumdisplay.php?f=34)

- - GPH? (http://www.canreef.com/vbulletin/showthread.php?t=105383)

reeferfulton

03-05-2014 02:26 PM

Quote:

Originally Posted by Aquattro (Post 884313)

I have probably 4x turn over through my sump. I carefully calculated this based on the cleanest pump I had in my box of pumps, considering clean was more likely to work. MAG12 won, minus head pressure, plumbing restrictions and sludge inside pipes, I figure 4x. Or 5. Or maybe 3.87658. Basically water falls down, water goes back up. :)

you just cant argue with this mans logic !

StirCrazy

03-05-2014 02:39 PM

Quote:

Originally Posted by Myka (Post 884074)

Assuming about 5' head height, and minus about 50 gph for average plumbing, there is about 2800 gph coming out the return line. Of course I'm guessing here, and assuming a simple plumbing job.

Assuming the full volume of the refugium counts, you're closer to 6.5 times turnover through the sump which is what I consider "perfect". :)

probably a lot lower than that in reality, people over estimate there flow by quite a bit, not only the verticle hight adds head, the 50 gpr is not a good "rest of plummbing" figure. you can add 1 foot of head for every 90 degree elbow, add 1 foot of head for every 8 feet of pvc, this will also increase over time as you get crap built up inside your piping.

myself I like a 10x sump turnover rate and I design my sump to handle even more.

Steve

reefermadness

03-05-2014 03:06 PM

Im maybe 2x per hour if that. Its the electrically cheapest pump I can run from my basement sump to my display.

AchillesTangBeauty

03-05-2014 07:12 PM

http://img.tapatalk.com/d/14/03/06/evehy6a3.jpg

Quote:

Originally Posted by strider (Post 884303)

+1 to what Myka said

270g eh! Awesome!!!

I have had reef tank for 6 year 6X Turn over is good.

What is the purpose of the refuge? Nitrate reduction or pod production?

As you are setting thing up just make sure you have enough room to vacuum out the skimmer and return section . Diatoms collect there and it's pain to clean if you don't have enough space.

Post some pics :)

In my refuge I have gorgonians, seahorses, a box fish, lots of LR Rubble, Macro Algae, some frags.. It has a very nice, slow movement.. It's purpose is just filtration & growing of cocapods <- don't mind my spelling.

Sent from my iPhone using Tapatalk

Sent from my iPhone 5s using Tapatalk

gregzz4

03-06-2014 02:58 AM

As already stated, 6ish gph is a magic #, but that's based on info I've only read here in the past. Having enough flow to feed your skimmer is the point, without overdoing it

Unless I missed it, what I haven't seen mentioned yet is GPH in the DT, and this will depend on what coral critters you plan on keeping
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