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 Post subject: Effects of PH
PostPosted: Sat Jun 19, 2010 5:58 pm 
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This chart shows how different levels of PH, effect a plant's ability to use a given mineral/nutrient.
I got this from 'Castaway', from another forum.....Thank's Frank !

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 Post subject: Re: Effects of PH
PostPosted: Sun Jun 20, 2010 10:13 am 
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so, ........ it looks to me that if your plants want to utilize the nitrogen, iron, zinc, and copper you need to raise the PH to 9 0r 10 ..... am I reading this thing right? My PH was always 8.5, I couldn't bring it down ..... but I was always told that I needed more iron because the leaves were yellowing (amongst many other things :( )

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 Post subject: Re: Effects of PH
PostPosted: Sun Jun 20, 2010 10:38 am 
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just below 7 is best....it's a compromise between what the plants and fish want.

Check out the graph for iron.....below 7, gives the plants more 'access', to what iron is there.....more 'green'... :D

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 Post subject: Re: Effects of PH
PostPosted: Sun Jun 20, 2010 10:18 pm 
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Watch the fish. Tilapia are very forgiving, but other fish not so much.

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