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Lmannyr
PostPosted: Jul 9th, '15, 00:10 
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I'm happy to report that the days of low DO are over.

These are yesterday's numbers:

Temp 82 F

FT 1 DO 5.1 pH 6.52
FT 2 DO 6.2 pH 6.54
Aerated Net tank DO 6.1 pH 6.45
Cloth Tank DO 5.6 pH 6.5
GB Exit DO 4.5 pH 6.6
Sump DO 6.9

I'm going to attribute the low DO to the nearly decomposed fish I found in the net tank.

System is now running at 650 gph.

Only change I plan to do in the very near future will be to add another pipe between the two filter tanks. That is my flow restriction right now.

Planted a bunch of seeds into the GB: cauliflower, broccoli, bush bean, loose leaf lettuce, corn, okra, and more. We will see what happens.
PH is at 6.6 and nitrates are 160.
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boss
PostPosted: Jul 9th, '15, 00:18 
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Quote:
System is now running at 650 gph.
impressive. How are measuring dissolved oxygen?
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Lmannyr
PostPosted: Jul 9th, '15, 01:46 
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I'm using a Milwalkie (sp?) DO meter.
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Lmannyr
PostPosted: Jul 9th, '15, 01:50 
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I need to squeeze out another 500 gph to accommodate the 1000 gal DWC I will be building soon.
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Swedeaquaponics
PostPosted: Jul 15th, '15, 10:23 
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How are things moving along there Lmannyr?
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Lmannyr
PostPosted: Aug 27th, '15, 00:37 
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Things are doing well. I'm still overstocked with nitrates at 300 and only feeding 60 grams EOD!! Loosing a lot of water to evaporation. things are not finally beginning to grow though. Okra showing signs of deficiency and I the bell pepper plants just can't get out of the transplant shock. Even thought the okra is showing some discoloring on the leaves, I harvest 10-15okra per day.

System Numbers:
PH 6.6
Calcium 20 ppm
Nitrate 300
GH 125
Iron 1.78

Here is the okra:

Image

Image

Image

Image

Image
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coachchris
PostPosted: Aug 27th, '15, 07:26 
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If you like Okra, it's loves the heat in the summer here. I think yours has some mites and or fungus issues. But, they grow so fast, it will still produce for you. Looking good!
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Swedeaquaponics
PostPosted: Aug 27th, '15, 07:46 
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Potassium and or magnesium maybe?
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Lmannyr
PostPosted: Aug 27th, '15, 08:23 
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I think there is a formula to figure Magnesium...

GH - Calcium = Magnisium.

If so,

125 - 20 = 105 ppm magnesium.

I don't have a Potasium test kit.

Oh and TDS is at 165.
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Swedeaquaponics
PostPosted: Aug 27th, '15, 09:15 
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That is highly unlikely unless you have dosed with magnesium or your source water is crazy high in magnesium..
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Swedeaquaponics
PostPosted: Aug 27th, '15, 09:22 
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http://www2.ca.uky.edu/wkrec/HARDNESS.htm
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Lmannyr
PostPosted: Aug 27th, '15, 10:38 
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Nope, I have not added any magnesium. Good article. I obviously have low calcium. Wish I can test for potassium. Do you test for potasium?
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Swedeaquaponics
PostPosted: Aug 27th, '15, 10:45 
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I have the test to. But it's limited to 60ppm
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Swedeaquaponics
PostPosted: Aug 27th, '15, 10:52 
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Then start dosing with calcium hydroxide to adjust ph
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boss
PostPosted: Aug 28th, '15, 19:30 
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From that writeup on water hardness:
Quote:
Hardness is commonly confused with alkalinity. Alkalinity is a measure of the amount of acid (hydrogen ion) water can absorb (buffer) before achieving a designated pH. The problem relates to the term used to report both measures, CaCO3 in mg/l. Just as with hardness, mg/l CaCO3 alkalinity is a general term used to express the total quantity of base (hydrogen ion acceptors) present. If limestone is responsible for both hardness and alkalinity, these values will be similar if not identical. However, where sodium bicarbonate (NaHCO3) is responsible for high alkalinity it is possible to have low hardness and low calcium. Acid ground or well water has little or no alkalinity and can have low or high hardness.


Probably I missed it, how again to we determine if our water is alkaline or acidic? I assume since ours is well water and our aquifer is in limestone our water leans toward base?
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