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post #1 of 7 Old 02-27-2008, 10:03 AM Thread Starter
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Someone please help

I have a 30 gallon salt tank with a homemade biofilter and a canister filter, salt water, and florecnt lighting, with coral sand and one powerhead, i keep the temp at 76f
im not sure what is going on i have been testing my tank at the same time every morn in order to keep a 14 day log after adding bio-spira and it is dy 6 and this is whats going on,

Day1- Ph/7.8 Ammo/2.0 Nitrate/20 Nitrite/5.0

Day2- Ph/8.0 Ammo/1.0 Nitrate/80 Nitrite/7.0

Day3- Ph/7.8 Ammo/1.0 Nirate/20 Nitrite/4.0

Day4- Ph/7.5 Ammo/1.0 Nitrate/180 Nitrite/5.0

Day5- Ph/8.0 Ammo/0.25 Nitrate/80 Nitrite/2.0.

Day6- Ph/7.8 Ammo/0.25 Nitrate/180 Nitrite/6.0

Can anyone tell me why my ph keeps going down and why my nitrate and nitrite is jumping up and down so much? and is there anyway to fix this prob? i am trying to cycle my tank and i have 4 clowns and 2 yellow fin damsils in it. thanx in advance.

Jason
norfolk Va
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post #2 of 7 Old 02-27-2008, 12:49 PM
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You ph has nothing to do with the nitrites and nitrates. As your tank cycles the ammonia will go down, nitrites will increase. Once the ammonia is 0, the nitrites will go down and nitrates will go up. Once your nitrates are down before 10ppm, your cycled.

What's your kh at?

"Cycling best friend is a good liquid regeant test kit, and a good barber to fix your hair after you pulled half of it out."
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post #3 of 7 Old 02-27-2008, 05:56 PM Thread Starter
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i have no idea wht kh stands for is this suthing i should be testing for?

Jason
norfolk Va
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post #4 of 7 Old 02-28-2008, 01:36 PM
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KH is your carbonate hardness. The kh basically keeps the ph stable. The ph fluctuation is most likely because you kh is too low and can't stabilize the ph. You can get test strips to test the kh but test strips are not always accurate. This is a link of the duel kh/gh test. It's not expensive so if you place an order, I would definalty pick it up. http://www.drsfostersmith.com/produc...m?pcatid=13521

You can get it from your lfs also but I've always found the prices to be so much higher here in NJ than online even wiht the shipping cost included.

"Cycling best friend is a good liquid regeant test kit, and a good barber to fix your hair after you pulled half of it out."
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post #5 of 7 Old 02-28-2008, 03:42 PM
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how do you lower nirates?
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post #6 of 7 Old 02-28-2008, 05:43 PM Thread Starter
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what should the kh read? and if it is to low how do you raise it to safe levels?

Jason
norfolk Va
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post #7 of 7 Old 02-28-2008, 06:20 PM
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Quote:
Originally Posted by Holly
This is a link of the duel kh/gh test. It's not expensive so if you place an order, I would definalty pick it up. http://www.drsfostersmith.com/produc...m?pcatid=13521
That is the test kit for FW only. GH is N/A in SW. The proper test kits are here

http://www.drsfostersmith.com/produc...m?pcatid=15469

there are 2 part calcium/alkalinity buffers that can help keep your alkalinity at appropriate levels. personally, I use B-Ionic 2 part, but there are a number of similar products available.

Keep in mind also that lighting makes a difference in PH. Ph levels can fluxuate between daytime and nighttime. Alot of people keep their lighting on a timer with their refugium lighting on an opposite schedule in efforts to keep the ph stable.

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