crushed Oyster shells ???? - The Planted Tank Forum
 
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post #1 of 9 (permalink) Old 12-15-2005, 03:52 PM Thread Starter
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Question crushed Oyster shells ????

hi all me again

i got an poblem with my waters

ph is 6.5
kh is between 1-2degrees

i tryed baking soda to "buffer" the water but not working to well my lfs said i should try crushed oyster shells to "buffer" my ph and kh is this true ????

i belive my hole lot of poblems i been having is cuz of my ph,kh being low plus my plants are not too happy at all not much growth but more decaying pin holes turning into bg hole fast.

so do you wonderful peoples think i should try the crushed oyster shells ????
if so how much ?

thanks in advance

Gavin
ps i due to get some crushed shell tuesday any reply before then big big help thanks
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post #2 of 9 (permalink) Old 12-15-2005, 03:56 PM
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Why wouldn't baking soda work for you? I'm in NYC and the water here is very soft ~ 1KH, i've been using baking soda and it had been working fine for me. I should add that after changing from a pea gravel substrate to eco complete, I have not had to add too much baking soda. I didn't know this, but the Eco Complete seems to have increased my KH.
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post #3 of 9 (permalink) Old 12-15-2005, 04:02 PM Thread Starter
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i think i using wrong stuff but i never get over 7ph and kh 2degrees with about 2tsp every water change of "bicarbonate of soda" only other stuff i found was baking powder witch i think is not it




thanks all

Gavin
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post #4 of 9 (permalink) Old 12-15-2005, 05:42 PM
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Crushed egg shells work too.
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post #5 of 9 (permalink) Old 12-15-2005, 05:45 PM Thread Starter
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Quote:
Originally Posted by valiko
Crushed egg shells work too.
never heard that one cheers for info
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post #6 of 9 (permalink) Old 12-16-2005, 01:32 AM
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I would try a new pH and kH test kit.

Your tank is 240 liters. Using this information:

Quote:
To raise kH use baking soda. One teaspoon will increase the kH of 50 liters of water (13 gallons) by 4 degrees (68 ppm).
We find that two teaspoons of baking soda would raise your kH 2 degrees. So it's just a matter of adding a bit more.
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post #7 of 9 (permalink) Old 12-16-2005, 05:29 AM
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anything made of calcium carbonate will raise ur kh and ph. crushed coral, oyster shells, limestone, etc. basically if u think its made of some form of calcium and is white it should work. if u can get some crushed coral gravel from ur lfs put in a small filter bag and put it in ur filter. u dont need a lot. gotta experiment to see how much u need to achieve the ph and kh u want.
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post #8 of 9 (permalink) Old 12-16-2005, 08:53 AM Thread Starter
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Smile

thanks for the replys guys

i added little more baking soda to tank i wait an hour then test again it if still at same amount i go buy some new test kits.

thanks again all
Gavin
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post #9 of 9 (permalink) Old 12-16-2005, 10:01 AM Thread Starter
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ok update with co2 on my new waters specs are

ph 6.5 with kh of 3.2degrees or 60ppm in total i added 4 tsp of baking soda (not all at once)

not yet done GH but

no3 is 10
po4 is over 5 mg/l
ammonia is nil
EDIT tonight 6:20pm i got more pearling that i never had before and i havn't dosed today !!!(dose free day)
thanks you ppl once again u saved the hobbie for me

thanks or the help and info

Gavin

Last edited by nitromad; 12-16-2005 at 05:35 PM.
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