Sorry to hear about your losses. That sucks.
I set up the NitraGuard experiment on January 19.
Phosphate was 63 ppb
Nitrate was 20 ppm.
Tonight's test (one week later):
Phosphate: 63 ppb
Nitrate: 0
I'm not quite sure why it hasn't reduced phosphates (perhaps my rocks are leaching).
Anyone know where I can get Foz Down in Vancouver?
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