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#1
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Crushed Coral to raise KH
Has anyone tried to add a hand full of crushed coral to raise and maintain
KH? I set up a new tank and my hardness is 1 the PH is 6 and I want to add CO2 but fear that the PH will drop. Thanks for the input. |
#2
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Crushed Coral to raise KH
Has anyone tried to add a hand full of crushed coral to raise and maintain
KH? I used to put crushed oyster shell in the filter, to increase KH. I used the kind that was sold for pet birds, and put it a mesh bag in the media box of the filter. I set up a new tank and my hardness is 1 the PH is 6 and I want to add CO2 but fear that the PH will drop. If you use Onyx as a substrate, you'll never have to worry about low pH. Leigh http://www.fortunecity.com/lavender/halloween/881/ |
#3
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Crushed Coral to raise KH
Growly Dog wrote:
Has anyone tried to add a hand full of crushed coral to raise and maintain KH? I set up a new tank and my hardness is 1 the PH is 6 and I want to add CO2 but fear that the PH will drop. You will need to raise the KH to 2 or more before you can safely add CO2. The higher the KH, the less the risk of a radical pH drop. I keep my KH at 2 with weekly water changes of 30%. If I skip water changes, KH will drop to about 1.5 after 3 weeks. If you want more control than crushed coral will give you, use Baking Soda-Sodium Bicarbonate. It's super cheap, and directly raises KH without affecting anything else. |
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