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Old 02-24-2006, 01:45 PM   #1
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alkalinity question

my alk is > 5.71 according to my salifert test kit. how do i lower it ? what effect will this have on my reef tank?

ca = 430
ph 8.36
ammonia =0
nitrite = 0
nitrate = 0

thanks

mark
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Old 02-24-2006, 02:40 PM   #2
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do you add alk to your tank?? The only way i can think of is pwc's... HTH
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Old 02-24-2006, 04:06 PM   #3
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is that 5.7 meq/L or 5.7dKh?

assuming its 5.7meq/l which is a bit high, are you dosing alk? using tap water or R/O water for water changes?

if you use tap water, its probably too hard to begin with, so you'll need to start using some R/O water in your water changes, especially for top-offs due to evaporation.
If you tap water is hard and you use it to top off for evaporation...hardness doesn't evaporate...so you end up increasing hardness/alkalinity via the top-offs.
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Old 02-24-2006, 04:21 PM   #4
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i use r/o water but it might be time to change the membrane. my tds meter only reads 13 ppm. i don't know. will this have any effect on my live stock?
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