Need advice please zero No3 but high Po4 reading

[Oliver d]

I use DIY NoPox and have zero nitrates but a high Po4 reading any ideas how to lower my Po4 levels?Tests are carried out with a Red Sea nitrate test kit and a hanna Phosphate tester.

 

[peter fumo]

GFO in a reactor

 

[peter fumo]

this should help you out
http://reefkeeping.com/issues/2004-11/rhf/index.htm

 

[Oliver d]

Thks

 

[peter fumo]

Hope you get it under control

 

[Randy Holmes-Farley Verified Community Expert]

I use DIY NoPox and have zero nitrates but a high Po4 reading any ideas how to lower my Po4 levels?Tests are carried out with a Red Sea nitrate test kit and a hanna Phosphate tester.

Organic carbon dosing often leaves excess phosphate in the water.

You can look to dose nitrate, or export phosphate a different way, such as with a binder.