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  #1  
Old 14-03-12, 16:57
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iwantmarinefish iwantmarinefish is offline
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KH level in reef tanks?

Hi, i am having some confusion with what my KH level should be. I have ready that it should be between 7-9, on the salifert test kit it says it should be 7-8 and the guys at my LFS say it should be 13! Which one should it be . Please help as im really consused...
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Old 14-03-12, 16:59
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natural sea water is 7-8, 13 is a bit high imo. i try and keep mine at around 8.6, no particular reason just seems to be a bit of a middle ground for my tank
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Old 14-03-12, 21:08
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thanks for you reply, im just undecided. Im thinking of keeping it at about 9-12 as red sea suggests that for the kind of tank i have. Anyone else got something to add?
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Old 14-03-12, 21:10
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I understand stability is the key, but higher KH levels can help in fighting nuisance algaes (along with take other measures)
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Old 14-03-12, 21:15
AcC8braman AcC8braman is online now
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If you are running with RS and trying for accelerated growth you need it high, watch your nitrate - need it to be 1, mine went to 0and now battling with gha
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Old 14-03-12, 22:03
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ah rite ok, so for normal growing condition i need it to be......? and i need nitrate in my tank? i thought the lower the better? and how bad is your green hair algae, i know the feeling my nans tank was COVERED in it :/
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Old 14-03-12, 22:14
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Quote:
Originally Posted by AcC8braman View Post
If you are running with RS and trying for accelerated growth you need it high, watch your nitrate - need it to be 1, mine went to 0and now battling with gha
I am using RSCP salt but still struggle keeping alk any higher than 8 to 8.5.
Which worries me a bit as I suspect that when I do water changes I get a high fluctuation due to the high levels in the salt. This of course is very undesirable.
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Old 14-03-12, 22:23
AcC8braman AcC8braman is online now
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8 or 9 In a mature system, this goes hand in hand with calc.


This is what I am trying to do for accellerated growth

No-1
Kh-12
Ca-460
Mg-1390
Po4-.01

I am also running balling lite to maintain levels, as well as dosing rs reef energy a&b ( no3po4x low dose 2ml per day)
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Old 14-03-12, 22:26
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Quote:
Originally Posted by AcC8braman View Post
8 or 9 In a mature system, this goes hand in hand with calc.


This is what I am trying to do for accellerated growth

No-1
Kh-12
Ca-460
Mg-1390
Po4-.01

I am also running balling lite to maintain levels, as well as dosing rs reef energy a&b ( no3po4x low dose 2ml per day)
are you dosing the reef energy via a peri pump or just by hand?
I was thinking of auto dosing but this stuff is supposed to be kept refrigerated so was a bit worried about it going off.
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Old 14-03-12, 22:28
AcC8braman AcC8braman is online now
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Quote:
Originally Posted by sthorn View Post
I am using RSCP salt but still struggle keeping alk any higher than 8 to 8.5.
Which worries me a bit as I suspect that when I do water changes I get a high fluctuation due to the high levels in the salt. This of course is very undesirable.
Hi, you need to dose extra as its being consumed.

I am putting in 60 aday for next 5 days, I will test each day to see how much I am losing then increase until I get the right level.
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