Quote:
Originally Posted by sirichok
Thanks for your advise . Now I am running the sand filter system and start dosing lanthanum chloride slowly over a period of hours per day and hopefully the phosphate will come down sooner than later .
As for nitrate , I have started dosing vodka and and controlling feeding , so far it has come down slowly to around 25 ppm and hopefully will be able to settle around 2-3 ppm .
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Nice work! Sounds like your are on the way. Just let the changes take some time, not lowering the PO4 or NO3 too fast. I find it easier to level out/keep values stable if the lowering has been slow.
I would aim for 5ppm NO3. If you come close to 0 you might get cyanobacteria, so I like some margin.
Great to get an update. Looking forward to the progress.
/ David