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| after cyano | before cyano |
ph | 7.9 | 8.1 |
alk | 6.6 | 7.1 |
NO3 | 3.7 | 13.9 |
PO4 | 0.02 | 0.06 |
As an interesting aside. Apex lets you do some interesting things.
Here is a comparison chart, in yellow is PH. The blue bars represent when the AWC adds 1 gallon of new salt water.
Seems like shortly after the new water is added the PH peaks. Could be a co-incidence, I believe around noon is when PH peaks normally but still kind of cool.
| PH | alk | nitrate | phosphate |
10-28 | 8.4 | 7.4 | 13.7 | 0.05 |
11-13 | 8 | 6.6 | 10.8 | 0.09 |
11-16 | 8 | 6.7 | 16.5 | 0.077 |
11-22 | 7.9 | 7.7 | 15.2 | 0.064 |
12-1 | 8 | 9.7 | 10.8 | 0.11 |
Reading through this today, I wanted to make one comment... you can fix the wire on the MP40 controller if you want to. Those drivers are easy to work on and they're designed to take apart. Pull off the front adjustment knob and then take out the screws on the back. Then you can pull it apart and the wire will just unclip. So if you unclip it, route it how you want, and then put the driver back together... you're golden.
Otherwise, great build thread. I'm setting up my own 350 now as an upgrade from a Reefer nano and I've been doing research on what people are using for powerheads.