why is my alk/kh so high?

stillfrodo

stillfrodo

Member
Okay i have a 92 gallon bow front. The tank ended its cycle yesterday. Tank was cycled with 140lbs LR. I also have 4-5inch layer of southdown in there. Yesterday my trates were 25ppm trites were 0. alk/kh was 5.60/15.7. I did a 25% water change. today here are my parameters (salifert tests)
Temp 78.6
SG 1.025
ammonia 0
nitrites 0
nitrates 10ppm
ph 7.7
calcium 330
alk/kh 5.60 15.7 I ran this test twice.
Wny would my alk kh levels be so high. I also noticed that my water was a bit cloudy which it was not yesterday. Anyway any help is appreciated.
 
jauringer

jauringer

Member
what kind of water are you using? If you are using tap water.then it proabalby has a high KH from the get go, and when you add your salt that will jump it up even more. I know my tap water here in texas has an extremly high kh. small frequent water changes with RO water is going to be the best way to fix that problem.
 
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