50% Water Change

Kovu · 06-22-2009, 07:28 PM

My 29 gallon tank is fine but unfortunly the same cant be said about 180 tank it has nitrate problems but thats going to be fixed. When i do my 50% water change what all should i do so i dont cause harm.

Reddog170 · 06-22-2009, 07:36 PM

Make sure that the new water has as close to possible, the exact same SG and temperature. What all do you have in the tank? IMO it would be safer to do several 25% wc's instead.

lcstorc · 06-22-2009, 07:39 PM

Be sure to have the new water mixing for 24+ hours.
Match PH, Temp, and salinity of the new and old water.

redsea reefer · 06-22-2009, 07:48 PM

Quote:

Originally Posted by lcstorc

Be sure to have the new water mixing for 24+ hours.
Match PH, Temp, and salinity of the new and old water.

+1

rmlevasseur · 06-22-2009, 07:53 PM

Except in emergency situations, I don't advise water changes that big. Corals are surprisingly adaptive, and rapid changes can be just as bad if not worse than a slow increase in nutrients. I learned this the hard way once when I used too much ferric oxide in one shot, and bleached a few corals. Smaller but frequent water changes tend to yield better results.

Kovu · 06-22-2009, 08:24 PM

what about like a 40 percent water change and all i have is a sailfin tang, blue pacific tang, 2 clownfish,2 cardinals, and a royal gramma, gsp, anthelia, and random mushrooms.

Clownfish518 · 06-22-2009, 08:34 PM

I do 25% water changes weekly myself, but one of my friends does 50-75% water changes regularly. I don't know many people who know as much about marine aquariums as he - he has been published in Advanced Aquarist for example. Keeps everything from ritteris to sharks.

I don't follow his regimen, but he has taught me that large water changes are nothing to be intimidated by. As long as the temp, pH, alk, and salinity match it should be okay.

Kovu · 06-24-2009, 06:14 PM

okay i just did a 45 percent water change didnt know if i had enough better to be safe though, the only thing that was a little different was salinty but it was 1.026 and the tank is 1.025 i think that will be okay.

burning2nd · 06-24-2009, 06:51 PM

make sure that the water temp and salinity are exactly the same

One point or one degree is no problem... but just 2 or 3 can be deadly

arizonagrace · 07-02-2009, 11:37 PM

I had the same problem with nitrates in my one tank. I did 25% water changes for 3 days in a row to get it under control. Everyone was fine. When I did a 50% water change in my slightly larger tank, the corals all pouted for days.

06-22-2009, 07:28 PM	#1 (permalink)
Kovu Pistol Shrimp Join Date: Jun 2009 Location: Ohio Posts: 257 View Gallery Karma Komment	50% Water Change My 29 gallon tank is fine but unfortunly the same cant be said about 180 tank it has nitrate problems but thats going to be fixed. When i do my 50% water change what all should i do so i dont cause harm.

06-22-2009, 07:36 PM	#2 (permalink)
Reddog170 Achilles Tang Join Date: Oct 2008 Location: Winfield, IA Posts: 875 View Gallery Karma Komment Add yours!	Re: 50% Water Change Make sure that the new water has as close to possible, the exact same SG and temperature. What all do you have in the tank? IMO it would be safer to do several 25% wc's instead. __________________ We are defined by the choices in whitch we make. http://www.reefsanctuary.com/forums/...t-sw-tank.html Moved to 100 http://www.reefsanctuary.com/forums/...ing-100-a.html VISIT MY CLUB SITE: www.iowareefs.com Ask me about Iowa reef events!

06-22-2009, 07:39 PM	#3 (permalink)
lcstorc Sunshine Reefer Join Date: Mar 2006 Location: Cocoa Fl Posts: 26,429 View Gallery Karma Komment Add yours!	Re: 50% Water Change Be sure to have the new water mixing for 24+ hours. Match PH, Temp, and salinity of the new and old water. __________________ Peace LYNN Lynn and Franks saltwater adventure Lynn's 20g clown tank Lynn's 90g of sunshine Lynn's frag tank experiment A reef tank is like a race car. The faster you go the harder you crash.

06-22-2009, 07:53 PM	#5 (permalink)
rmlevasseur Acropora Join Date: Jan 2008 Location: Minnesota Posts: 1,849 View Gallery Karma Komment Add yours!	Re: 50% Water Change Except in emergency situations, I don't advise water changes that big. Corals are surprisingly adaptive, and rapid changes can be just as bad if not worse than a slow increase in nutrients. I learned this the hard way once when I used too much ferric oxide in one shot, and bleached a few corals. Smaller but frequent water changes tend to yield better results. __________________ Robert http://www.reefsanctuary.com/forums/...ufas-tank.html

06-22-2009, 08:24 PM	#6 (permalink)
Kovu Pistol Shrimp Join Date: Jun 2009 Location: Ohio Posts: 257 View Gallery Karma Komment	Re: 50% Water Change what about like a 40 percent water change and all i have is a sailfin tang, blue pacific tang, 2 clownfish,2 cardinals, and a royal gramma, gsp, anthelia, and random mushrooms.

06-22-2009, 08:34 PM	#7 (permalink)
Clownfish518 Razorback Join Date: Feb 2009 Location: Bentonville, Arkansas Posts: 1,500 View Gallery Karma Komment	Re: 50% Water Change I do 25% water changes weekly myself, but one of my friends does 50-75% water changes regularly. I don't know many people who know as much about marine aquariums as he - he has been published in Advanced Aquarist for example. Keeps everything from ritteris to sharks. I don't follow his regimen, but he has taught me that large water changes are nothing to be intimidated by. As long as the temp, pH, alk, and salinity match it should be okay. __________________ Entia non sunt multiplicanda praeter necessitatem - William of Ockham

06-24-2009, 06:14 PM	#8 (permalink)
Kovu Pistol Shrimp Join Date: Jun 2009 Location: Ohio Posts: 257 View Gallery Karma Komment	Re: 50% Water Change okay i just did a 45 percent water change didnt know if i had enough better to be safe though, the only thing that was a little different was salinty but it was 1.026 and the tank is 1.025 i think that will be okay. __________________ "You could hear me, right"? I say "Yea Alot"? Visit my Chronicle and Help Me http://www.reefsanctuary.com/forums/...allon-fix.html

06-24-2009, 06:51 PM	#9 (permalink)
burning2nd Golden Moray Join Date: May 2006 Location: PA Posts: 2,287 View Gallery Karma Komment	Re: 50% Water Change make sure that the water temp and salinity are exactly the same One point or one degree is no problem... but just 2 or 3 can be deadly __________________ ________________________________________________ 30g, 10g DIY sump w/ mag7 Csr90 over flow. 36" sunpod 2x150 2 Tunze 6020 40 Lb's Live Rock 20 lb's of Ls Aqua C REmora mIxed reef, softies, pora's, clams, 1 Amphiprion ocellaris (hosting GTA) jake the jedi sexy shrimp, and brown bob

07-02-2009, 11:37 PM	#10 (permalink)
arizonagrace Cabbage Leather Join Date: Aug 2008 Posts: 364 View Gallery Karma Komment	Re: 50% Water Change I had the same problem with nitrates in my one tank. I did 25% water changes for 3 days in a row to get it under control. Everyone was fine. When I did a 50% water change in my slightly larger tank, the corals all pouted for days.

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