Phosban Reactor 150 and Rowaphos question.

[matthewh133]

Hey guys, about 12-13 hours ago I added a Two Little Fishes Phosban Reactor 150 to my system and added Rowaphos to it.

My tank is new, and before adding the reactor, the tank was at .6 phosphate. I just tested the output of the reactor, and it's still at .25, what is this indicating? Do I not have enough rowaphos in it? Do I not have enough flow going through it?

The edges of the rowaphos around the reactor are constantly, lightly bubbling up. I have just over 1 inch of rowaphos in there currently, and my tank is 36 X 18 X 18.

Any help would be greatly appreciated!

 

[ccCapt]

So you are saying in 12 hrs your phosphate dropped from .60 to .25? I would say it's working as expected. You will know the GFO is exhausted when the phospahte starts to rise again.

 

[matthewh133]

Quick update.

It's now been over a week since adding the reactor. I have changed rowaphos media twice, but I can't get my phophate below about .15.

The lowest I measured with my hanna checker from the output tube of the reactor was .08 at one stage. Since then, it's staying at around .14 and I can't seem to get it any lower?

Is it possible I'm doing something wrong? What else could be causing this?

Thanks guys.

 

[ccCapt]

How much are you using (tablespoons) in the reactor? You should start with 1 tablespoon/4 gal of water. For a 50g tank you should start with about 12 tablespoons and then you can up that to 24 tablespoons once the system is used to running at a low phosphate level.

 

[Hardridge]

How much are you using (tablespoons) in the reactor? You should start with 1 tablespoon/4 gal of water. For a 50g tank you should start with about 12 tablespoons and then you can up that to 24 tablespoons once the system is used to running at a low phosphate level.

I use one of these with the bio pellets and have 0 nitrates 0 phosphates