Nitrates low enough get ?

[westy101]

Hi there just wondering my nitrates are are 0.10-0.30 ppm is this low enough for most corals ? Thanks reply asap thanks

 

[Gti_Leo]

yes ithey are low enough. i've read that having nitrates lower then 4ppm is fine for corals, although 0 is best

 

[westy101]

One of my test doesn't have the point initi tho nut it's says 30ppm is this 0.30 ? Cheers

 

[thincat]

Sorry, 30 is 30ppm you will need to do a few PWC's to bring it down.

 

[westy101]

My other one is a colour changing one with chemicals and it's aroun 2.5-3 ppm ??