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[G.Alexander]

Looking good except the Arsenic but I never hear of such a elevated level as most tests do not test for this element. Have you noticed additional growth in your corals already ?

Please also update the actual PO4 and NO3 level.

G.Alexander...

[G.Alexander]

You can dose 2 drops CoralVitalizer / 25 US gallons 2 x weekly additional.

G.Alexander...

[G.Alexander]

I can not see anything unusual, also the fish load should not be to high for a 180 US gallon system. Lets continue as planned including to dose CoralSowPlus every other day for the next 2 weeks. Make sure to adjust your skimmer to skim wet and clean it daily to export as much as possible. I would also...

[G.Alexander]

I do also agree to Jacky, the biology of the system is still very young as not any kind of biolfilm or algae is present on the rocks / sand. Give the system more time to cycle before adding additional corals. Both corals in the picture does show a white rim which is positive as it is now growth....

[G.Alexander]

Thank you for the pictures, it looks indeed like a low K+ level but to be sure you need to do a accurate test. I would recommend you to do a ICP test once to see if the test result of your test is OK or if it does show a higher level.

As a treatment for the cyanos lets try to dose 1 ml...

[G.Alexander]

I am not really familiar with the available products as I personally preferred to use CaCO2 reactors, however I would recommend to use supplements without additional trace elements which just supplement Ca and / or KH.

If you like to mix your own supplements use chemicals with the grade...

[G.Alexander]

First start with the basics products to decrease nutrients:

1. Place 0.2 liter zeovit in a Zeo Reactor. Water flow around 25 US gallons per hour. Connect the reactor pump to a clock timer and run the reactor pump with a 3 hour on / 3 hour off / 3 hour on interval. Please make sure the zeolite...

[G.Alexander]

If possible please post some pictures of the affected corals, decreasing the ZeoVit reactor flow to 50 -60 % temporary might also support your corals but nutrients should not increase so keep a close eye on them.

Do you keep plating montipora corals or a hystrix ? If so do those kind of...

[G.Alexander]

Hello Pinpin111 and welcome to ZeoVit.com !

It would be good if you would post some more details about your system:

https://forum.zeovit.com/forum/gener...bout-your-tank

Do you also plan to use the complete ZeoVit system (ZeoBac / StarStart / Zeolite) or just the...

[G.Alexander]

If you like to get a dosing recommendation please post some more details about your system:

https://forum.zeovit.com/forum/gener...bout-your-tank

G.Alexander...

[G.Alexander]

For a net water volume of 500 liters I would recommend you to continue dosing as follows:

ZeoBac – 5 drops 2 x weekly
ZeoStart – 0.5 ml 2 x daily
SpongePower – 5 drops 2 – 3 x weekly
CyanoClean – 5 drops 1 x weekly (preventive)
ZeoFoodPlus – 5 drops 2...

[G.Alexander]

For sure Jacky it will improve the biology additional and support the process to reduce PO4.

G.Alexander...

[G.Alexander]

Thank you for your update. The basic water parameters except Ca are perfect, keep them as stabile as possible. Let the Ca level drop to ~ 400 mg and hold it there stabile.

PO4 is really high, main problem is that you have remove the PO4 absorber you have used before all at once when you...

[G.Alexander]

Welcome to ZeoVit.com !

As Jacky has mention your calculation for the dosage and the ZeoVit quantity / flow is not correct, lets adjust it first, it might be a good idea to increase the quantity and the flow of the reactor in two steps over a 2 – 3 week period.

The PO4 level...

[G.Alexander]

Thank you for posting the video links, please update the actual PO4, NO3 and K+ level.

G.Alexander...

[G.Alexander]

Hello Nick, CoralSnow Standard does not remove nutrients but BioMate can be very helpful in such a situation. Lets dose 6 drops every other day for 2 weeks like Jacky recommended first before starting additional changes. As you noticed the higher PO4 level since using the new test it might also make...

[G.Alexander]

It really depends to some factors, please post your actual dosing regimen and the actual water parameters, especially K+, NO3 and PO4. Also please describe your corals a little bit more (growth / coloration etc.) as especially the coloration elements dosage depends to it, some actual corals pictures...

[G.Alexander]

Thank you, lets add 2 ml XTra 2 – 3 x weekly to the dosing regimen. This should basically improve coloration and growth.

G.Alexander...

[G.Alexander]

From the pictures it is difficult to say for sure those are Dinoflaggelate but looks like. To be sure a microscope would be necessary. Many had success to get rid of them by a three day light blackout. It is important to also cover the tank to prevent light from the room reaching the Dinoflaggelate....

[G.Alexander]

Do not worry, usually corals are doing very well at those low concentrations if everything else is fine. Corals should show healthy poly expansion and growth even at those low levels. Can you please post your actual dosing regimen and a list of the korallenzucht products you already have ?
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