How are sps colors with po4 readings .15 to .30?

[rogergolf66]

Well I run by po4 at .00 Hanna since tank stated a year ago. Had an issue with my reactor and I didn't catch it fast. Po4 is .04 as of yesterday and I am noticing a few out of 90 different sps coral r starting to loose amazing color and browning out. I will stick with my low po4 and just feed the sps. That's just me.

 

[sirreal63]

Roger which Hanna meter are you using?

 

[rogergolf66]

Hanna checker.

 

[sirreal63]

With the range of error, that .04 could be .08 which would be enough to give more brown to the corals. It is a wonderful little tool, I use the same one but as with any hobby instrument, it isn't precise enough but still more accurate than a titration test. Your eyes and experience told you more accurately than the test.

 

[rogergolf66]

I do know about the error range. I ran the test 3 times. Got .04,.02.00

So I don't think it is .08 I run it multiple times every time I check it because of error rang. I always take the highest value of the 3

 

[toothman]

I agree that bio pellets or carbon dosing in generally can really produce some starved corals. I would just call it a overdose as is often mentioned in zeovit forms. As I mentioned earlier the phosphate should be below .04 and nitrate almost zero. That is the most successful area to have a reef tank.

I also firmly believe that your acros as you mentioned need a steady stream of food/ nutrients, more than many reefers think.

A really good routine to do is to feed something like reef roids every night a hour after the lights have gone out. The acros will get accustomed to eating and thrive and growth will dramatically increase. The secret is to feed a bunch and still keep nutrients low.

Kalk will also help as well as aminos.