PH high, KH-GH low/med. Need advice plz - The Planted Tank Forum
 
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post #1 of 3 (permalink) Old 03-28-2008, 09:18 AM Thread Starter
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PH high, KH-GH low/med. Need advice plz

For the past few days I have been doing RO/DI water changes every 3-4 days apart. Before I started the RO/DI WC my PH was 8.0, KH 8, GH 15. The WC have been 15%-20% and the last WC was this past Sunday (Easter).

My PH is now 7.8-8.0, KH 5, GH 7.... I'm not sure why my PH is still high since I dont have any lime stone or coral. I have 10 large/hugh piece of drift wood that turn my water into light tea (not to dark). Only thing I can think that might be buffering my water is a half bag of eco-complete I added 2 weeks ago and some silica sand thats mixed in my substrate that I could not fulling remove 4 years ago when I changed substrate. I don't think it's more then a pound of silica.

Now that my GH and KH are lower, I have noticed that my CRS are showing more of the white and I even have a CBS that is berried. My RCS are cool with the water conditions cause they have no problem breeding. I'm not sure if I should continue doing pure RO/DI WC cause I don't want to drop my GH/KH any lower and starve my plants since I don't use any ferts. Also my shrimps might end up having bad molts if my GH/KH is to low. At least thats what I have read why shrimps might have bad molts.

Perhaps I should start doing 50/50 RO/tap WC and not worry to much about the PH since the GH and KH are at nice levels.

Messing with water parameters is a pain in the rear

Last edited by Scipio; 03-28-2008 at 05:23 PM.
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post #2 of 3 (permalink) Old 03-28-2008, 07:09 PM
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Yup. Total pain. Why I recommend most people start with their water params and work their plant and livestock around what they started with. I do understand the desire to keep and breed specialized critters though...

If you need to keep your parameters lower than your tap but stable then you'll probably want to keep some premixed around.

Seems to me though that the fact you've so many berried shrimp already indicates that you don't actually need to get too far off of where you started anyways though?





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post #3 of 3 (permalink) Old 03-28-2008, 10:13 PM Thread Starter
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Thank you lauraleellbp

I think I'll just do 50/50 WC every 2 weeks from now on and see where that leads me. It should be ok I guess since it would be better then just doing pure tap WCs. And the shrimps seem to be ok with whats in the tank now.
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