Consiquences of improper set up? - Aquarium Advice

**BillyZ** · 08-25-2003, 04:50 PM

what kind of impurities could sneak through the filter if the preasure is too high or too low or if the filter is not set up properly?

normd · 08-26-2003, 09:50 PM

That is a broad question. Pressure affects flow rate not bypass. What do you mean by "not set up properly"? If you have left your backflush open, no big deal on bypass but you will get almost no water. If you mis-install your DP or other cartridges (and I have....) then they will be bypassed.

dustybrannum · 06-06-2004, 02:30 PM

What is the optimum pressure for a barracuda system?

loganj · 06-06-2004, 04:33 PM

I think it's 80-100 psi. Mine works well with 40-50psi from the well pump, but I'm going with booster pumps when I get the greenhouse up and running since I'll need a good bit more water.

Bearfan · 06-06-2004, 04:35 PM

Do you keep the waste water open at 40 psi logan? I noticed I don't get 10% of the [acronym:4294aecc1b="Reverse osmosis"]RO[/acronym:4294aecc1b]/[acronym:4294aecc1b="Deionization"]DI[/acronym:4294aecc1b] water as compared to the waste.

dustybrannum · 06-06-2004, 06:30 PM

mine runs between 60 and 80 unless someone is running water elsewhere in the house, so that is pretty good i guess. it put out 220 gallons in a day and a half and is supposed to put out 100gpd, so not bad.

AquaFX · 06-16-2004, 02:46 PM

OK, this is a VERY late answer.....

The pressure is very important. The higher the pressure the better the water quality, up to the burst pressure of the membrane. Or should I say rupture pressure.

If you understand Osmosis, than the natural occurring osmonic pressure always exists. So add a back pressure over comes or "reverses osmosis" and sends pure water through the membrane. Anyway, the higher the pressure the higher the water quality.

That is NOT to say higher flow rates. You can only get so much water through a membrane, so the contact time with the carbon will not be affected by higher pressures. In a non-flow rate restictive case, it would be a problem to fly water thought the carbon. But that is a flow rate concern not pressure concern.

Hopefully better late than never

08-25-2003, 04:50 PM	#1
BillyZ Aquarium Advice Addict Community Moderator Join Date: Apr 2003 Location: Western NY Posts: 3,622 Images: 6	Consiquences of improper set up? what kind of impurities could sneak through the filter if the preasure is too high or too low or if the filter is not set up properly? __________________ Acronyms and Abbreviations

06-06-2004, 02:30 PM	#3
dustybrannum Aquarium Advice Freak Join Date: Jul 2003 Location: Sherman, texas-college in arlington,tx near Dallas Posts: 318 Images: 8	What is the optimum pressure for a barracuda system? __________________ Dusty Brannum

06-06-2004, 04:33 PM	#4
loganj Aquarium Advice Addict Moderator Emeritus Join Date: Oct 2002 Location: Chatsworth, GA Posts: 4,008	I think it's 80-100 psi. Mine works well with 40-50psi from the well pump, but I'm going with booster pumps when I get the greenhouse up and running since I'll need a good bit more water. __________________ Life is not measured by the number of breaths we take, but by the moments that take our breath away. Logan J www.captiveraisedcorals.com

06-06-2004, 04:35 PM	#5
Bearfan Aquarium Advice Addict Moderator Emeritus Join Date: Dec 2002 Location: Marquette, MI Posts: 3,554 Images: 45	Do you keep the waste water open at 40 psi logan? I noticed I don't get 10% of the [acronym:4294aecc1b="Reverse osmosis"]RO[/acronym:4294aecc1b]/[acronym:4294aecc1b="Deionization"]DI[/acronym:4294aecc1b] water as compared to the waste. __________________ 75 gal w/ 75 gal sump, 25 gal fuge with Chaeto and 25 gal frag - 4x65 PC w/ Moonlite on the main tank, 2x20W PC on the fuge, 4x20W PC on the frag 72 Gal Bowfront Planted w/ 2x65 PC and 40W T8

06-06-2004, 06:30 PM	#6
dustybrannum Aquarium Advice Freak Join Date: Jul 2003 Location: Sherman, texas-college in arlington,tx near Dallas Posts: 318 Images: 8	mine runs between 60 and 80 unless someone is running water elsewhere in the house, so that is pretty good i guess. it put out 220 gallons in a day and a half and is supposed to put out 100gpd, so not bad. __________________ Dusty Brannum

08-26-2003, 09:50 PM	#2
normd Aquarium Advice Apprentice Join Date: Mar 2003 Location: Waynesboro, VA Posts: 40	That is a broad question. Pressure affects flow rate not bypass. What do you mean by "not set up properly"? If you have left your backflush open, no big deal on bypass but you will get almost no water. If you mis-install your DP or other cartridges (and I have....) then they will be bypassed.

06-16-2004, 02:46 PM	#7
AquaFX Aquarium Advice Apprentice Join Date: May 2003 Location: Winter Park, Fl Posts: 20	Pressure VS Water Quality OK, this is a VERY late answer..... The pressure is very important. The higher the pressure the better the water quality, up to the burst pressure of the membrane. Or should I say rupture pressure. If you understand Osmosis, than the natural occurring osmonic pressure always exists. So add a back pressure over comes or "reverses osmosis" and sends pure water through the membrane. Anyway, the higher the pressure the higher the water quality. That is NOT to say higher flow rates. You can only get so much water through a membrane, so the contact time with the carbon will not be affected by higher pressures. In a non-flow rate restictive case, it would be a problem to fly water thought the carbon. But that is a flow rate concern not pressure concern. Hopefully better late than never __________________ Marianne www.aquaFX.net www.aquariumwaterfilters.com

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