turnover rate - Aquarium Advice

iwantareef16 · 01-06-2005, 09:15 AM

how do you figure out the turnover rate of a 75 [acronym:116ce5ac1d="Gallon"]gal[/acronym:116ce5ac1d] with a sump rated for 800 [acronym:116ce5ac1d="Gallons per hour"]gph[/acronym:116ce5ac1d] and a return pump of 1000 [acronym:116ce5ac1d="Gallons per hour"]gph[/acronym:116ce5ac1d]. Does the sump or the protein skimmer have any affect on it.

**lando** · 01-06-2005, 09:35 AM

The sump and the skimmer have very little effect on turnover. You should rely on your return pump from the sump as well as some well placed powerheads to create your flow and turnover. With the 1000g/h sump pump, you are turning your tank over 13.3x/hr. Not too bad, but the addtition of a couple powerheads would improve things. Plus, powerheads will also add more internal flow to your tank, thus, reducing dead spots and creating a more caotic type current. Look at a couple of Maxi-jet 900s or 1200s. Ideally, you would like your total turnover to be 15-20xtank volume/hr. Good luck...Lando

01-06-2005, 09:15 AM	#1
iwantareef16 Aquarium Advice Regular Join Date: Dec 2004 Location: eagan minnesota Posts: 75	turnover rate how do you figure out the turnover rate of a 75 [acronym:116ce5ac1d="Gallon"]gal[/acronym:116ce5ac1d] with a sump rated for 800 [acronym:116ce5ac1d="Gallons per hour"]gph[/acronym:116ce5ac1d] and a return pump of 1000 [acronym:116ce5ac1d="Gallons per hour"]gph[/acronym:116ce5ac1d]. Does the sump or the protein skimmer have any affect on it.

01-06-2005, 09:35 AM	#2
lando Aquarium Advice Addict Community Moderator Join Date: Mar 2004 Location: Savage, MN Posts: 7,631 Images: 46	The sump and the skimmer have very little effect on turnover. You should rely on your return pump from the sump as well as some well placed powerheads to create your flow and turnover. With the 1000g/h sump pump, you are turning your tank over 13.3x/hr. Not too bad, but the addtition of a couple powerheads would improve things. Plus, powerheads will also add more internal flow to your tank, thus, reducing dead spots and creating a more caotic type current. Look at a couple of Maxi-jet 900s or 1200s. Ideally, you would like your total turnover to be 15-20xtank volume/hr. Good luck...Lando __________________ Some people are like slinkies...they serve no real purpose yet can still bring a smile to your face when you push them down the stairs! Have a great day! Brian

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