need to raise general hardness(GH) and keep pH same - Tropical Fish Keeping - Aquarium fish care and resources
 
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post #1 of 4 Old 02-15-2009, 05:30 PM Thread Starter
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need to raise general hardness(GH) and keep pH same

i need to raise GH but keep the pH the same. at the LFS i think they screwed me over by giving me KH/pH plus to raise the hardness but my pH is now at ~8 and KH and GH are at 5*dH. i want it to be closer to 10*dH. what can i use, ive been reading but everything i read highers pH as well and nothing really for GH.
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post #2 of 4 Old 02-15-2009, 08:10 PM
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limestone in the filter or a bag on coral sand
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post #3 of 4 Old 02-16-2009, 04:01 PM Thread Starter
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Quote:
Originally Posted by FordMan View Post
limestone in the filter or a bag on coral sand
so would i just put a piece of limestone in the filter. its a bio wheel 200
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post #4 of 4 Old 02-16-2009, 06:55 PM
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This is a very complicated question. In order to answer properly I really have to ask WHY?

Are you experiencing pH fluctuations that you are trying to prevent? Are you testing General Hardness or Carbonate Hardness? What type of buffer did you use and what are the ingredients? Do you use tap water or RO water? Have you tested the tap water as well?
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