Indoor Whats wrong with this baby

namvet i havnt been using calmag at all should i ? what does it do ?
ph of rain water is 7.0 im using ,i know to high but i have no cash at the moment to buy ph down
any ideas ?

I'v been using vinegar , at 8.0 2tsp brings a gallon to about 6.4 to 6.6.. and backing soda to go up ........... If your soil ph is out you tend to get a nutrient lock out.And it's organic.
you do have a meter?

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soil ph is important check this out
Rough Calculation Guide:

Here's some good info on ph.....
If your runoff pH is higher than your starting pH, use this equation to determine your soil pH:*
Soil pH = Runoff pH + Difference

If your runoff pH is lower than your starting pH, us this equation:
Soil pH = Runoff pH - Difference.

For example, say your the starting pH of your solution before it goes in is 6.5 and the pH of your runoff is 7.0. The difference is +0.5, so using the above equation:
Soil pH = 7.0 + 0.5*
Soil pH = 7.5

If your starting pH is 6.5 and your runoff is 6.0, your difference is -0.5 and using the above equation:
Soil pH = 6.0 - 0.5
Soil pH = 5.5


And heres a link to get some more good info
PH - Potential Hydrogen - The Manual - Polled





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thanx for the chart and great info goauto your input is awsome
 
Yeah dude that looks like cal/mg def setting in to me..
 
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