Phosphate

[scybulski]

Originally Posted by G.Alexander

1-2 x weekly 8 ml.



G.Alexander

Thank you


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[scybulski]

It has been a week since the last water change. I have been doing the recommendations and everything still not right. Alk has dropped also....

Recommendations? Getting ready for another water change.

Since phos is up corals not growing to use ca I am sure. Dosing has been off for alk, ca and mag. Fed fish 2 times this week and reef roids 1 time.

Still loosing heads on hammers

Alk = 5.7
Ca = 420/430
Mag = 1350
Pho’s = .5 at least


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[blackizzz]

I'd try to get Alk to 7.5. If you do this by water changes or by dosing doesn't really matter, but in my opinion 5.7 is too low.

I'd say do a water change, siphon the sand (if you have) which will probably lower the PO4 some.

Then add some Alk manually between the water changes, to keep Alk at 7.5. Stability is key

[scybulski]

Originally Posted by blackizzz

I'd try to get Alk to 7.5. If you do this by water changes or by dosing doesn't really matter, but in my opinion 5.7 is too low.

I'd say do a water change, siphon the sand (if you have) which will probably lower the PO4 some.

Then add some Alk manually between the water changes, to keep Alk at 7.5. Stability is key

Agree. Problem is that I dose 2 parts for ca and alk. Since phosphate is high, corals will not grow using ca. So that will go through the roof.


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[blackizzz]

Originally Posted by scybulski

Agree. Problem is that I dose 2 parts for ca and alk. Since phosphate is high, corals will not grow using ca. So that will go through the roof.


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Phosphates isn't as limiting for growth as "we" (the reefing collective) used to think. Plenty of research done there lately. Yes, it's somewhat of an inhibitor, but not at all absolute.

But if you're worried, get a dosing additive with just Alk, and dose that until Po4 drops

I use Microbe-lift "basic 3 Carbonate"

[jacky]

Hello scybulski, ALK5.7 coral is usually not a problem if this is a real number. The level of Ca Mg is good, ALK is slightly lower, and the balance is correct. (Please also confirm the water quality level), and your tank is not in low nutritional status, it may be the accumulation of nutrients before, change the water and vacuum the sand to refresh the balance nutrition and elemental level

And confirm the zeolite reactor flow (whether appropriate level), and the use of KZ Foundation 4, I believe there is no problem.

[scybulski]

After water change yesterday (20%) following tests:

Alk =6.4
Phos = .5 from what I see.

With high phos my Hanna will not read it since it is ppb, looking for a ppm.


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[jacky]

You did a great job, After you change the water by 20%, it may be a good idea to record the individual element levels. How much level they change, it is also good to know tank. (Of course this is me, you don't have to do this)

WC=Refresh element balance, refresh cumulative nutrition
You are doing very well.

Reconfirm whether other parts have reached the recommended level.

[scybulski]

I am noticing green algae. Not sure if that is an indication of what is going on with high phosphates


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[blackizzz]

What kind of algae, is it a film? or something else?

[scybulski]

Originally Posted by blackizzz

What kind of algae, is it a film? or something else?

Not film. Just looks like green algae. Not hair either


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[blackizzz]

Possible to get a photo?

I'd just keep an eye on it, see if it increases or decreases. Try manual removal if you don't see any improvement

[scybulski]

I install the Apex FMM module tonight. Seems I am running 89 GPH (I know 100 gph). What I noticed is when the pump is off I think there is a siphon flow remaining. Seems around 15 gph. I believe that this should rotate on and off and 15 gph could cause a problem?

I noticed if the exit end of the return is out of the water the reactor will empty towards the pump when off and empties out. Which is also bad because the bacteria in the reactor.

The pump should be switched on and off at an interval of 3 hours (3 hours on, 3 hours off, 3 hours on, 3 hours off, etc.) leading to an alternating environment of aerobic and anaerobic conditions.


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[G.Alexander]

A little bit more or less flow does usually not cause issues but if the zeovit material does not stay submerged while the reactor is stopped is a problem.

As your system is running with ZeoVit since a longer time I would recommend you to run the reactor with continuous flow. The temporary on/off interval is used for systems which are stocked with animals getting transferred to ZeoVit.

G.Alexander

[scybulski]

Originally Posted by G.Alexander

A little bit more or less flow does usually not cause issues but if the zeovit material does not stay submerged while the reactor is stopped is a problem.



As your system is running with ZeoVit since a longer time I would recommend you to run the reactor with continuous flow. The temporary on/off interval is used for systems which are stocked with animals getting transferred to ZeoVit.



G.Alexander

Ok thank you. Will do


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