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[G.Alexander]

I would not recommend it as it does contain additional trace elements which will darken the corals tissue in a nutrient poor system.

G.Alexander...

[G.Alexander]

Hallo Paolo, lebende Steine sind in der Tat schwer zu bekommen, ob sich diese Situation wieder ändern ist schwer zu sagen. Es liegt einerseits an Expotbeschränkungen der Herkunftsländer und anderseits an wenig verfügbarem Frachtraum.

Meiner Meinung nach sind lebende Steine das Beste...

[G.Alexander]

I do see it similar to Jacky, starting ZeoVit now will not do any harm however it will also not help much with the Dinos. Running a UV filter can help but from my experience it will also not fix the problem 100% as long as the root cause is not fixed however it might be worth a try.

For...

[G.Alexander]

Do those „particles“ move under the microscope ?

G.Alexander...

[G.Alexander]

That is correct.

G.Alexander

[G.Alexander]

I try to answer your questions as follows:



It is a combination of coral food and a carbon source for bacteria, usually the product is not necessary for the early stage as the coral food component can cause some kind of a brown film on rocks / sand / glass. It should be used...

[G.Alexander]

I think if everything works as planned you should not need any additional product for the next 2 or 3 month until the system runs nutrient poor stabile without the PO4 absorber.

If you like to you dose some additional products to improve biology like SpongePower and BioMate, also CoralVitalizer...

[G.Alexander]

You are welcome !

I try to answer your questions as follows:



For the first 6 weeks run the reactor with a interval of 3 hours. For example switch off the reactor pump at 6 oClock, switch it on at 9 oClock and off at 12 oClock and so one.


...

[G.Alexander]

Continue to dose the mixture for one week to see if this does improve the situation while additional vacuum the affected sand areas to remove the sediments from the deeper layers.

G.Alexander...

[G.Alexander]

I would recommend you to first do a ICP test to rule out a toxic concentration of Al. Additional there is a chance that it has already accumulated in your system on rocks / sand so a big water change will not really help. If you like to you can partial change the rocks but make sure to soak the new...

[G.Alexander]

I would recommend the same as Jacky, give your system some time, the move was a heavy impact to the biology even if you have used the same sand / water / rocks.

G.Alexander...

[G.Alexander]

Welcome to ZeoVit.com !

While your coral issues can have many reasons the ZeoVit system basically does improve the quality of the water which does have a positive effect to the corals if everything else is OK. If you like to start ZeoVit on your system I have calculated a startup recommendation...

[G.Alexander]

From the pictures I would say those are no Dinoflaggelate but difficult to say. If the air bubbles in the velvet like film does increase over the day I would say those are any kind of cyanos. I would first try to vacuum the affected areas while each water change regular for some time, additional you...

[G.Alexander]

Thank you for the pictures, you are right the setup is not very complex which basically is positive. Dinos do leach toxins this might have something to do with the bad condition of your corals.

I do see three possibilities for the problems:

- Rocks leaching harmful substances....

[G.Alexander]

Is just the sand affected or the rockwork also ? I can not see it in the pictures, is the whole sand covered with the brown stuff or just some parts in the shaddowed areas for example ?

G.Alexander...

[G.Alexander]

Hallo Andreas und willkommen zurück !

Ließt sich nicht so schön was Du die letzten Jahre mitgemacht hast deshalb freut es mich besonders dass zu hören dass Du ein neues Projekt startest.

Ich wünsche Dir viel Glück mit dem neuen Becken und einen guten Start.
...

[G.Alexander]

You have any kind of issue in your system and I am sure starting the ZeoVit system will not fix it. You first need to find the source of the problem. A common issue is that any kind of equipment / hose / tube / rocks / sand does leach harmful substances, this is what I would try first to rule out....

[G.Alexander]

Thank you for the additional details, I would recommend you to start as follows:

First start with the basics products to decrease nutrients:

1. Place 1.5 liter zeovit in a Zeo Reactor. Water flow around 600 liters per hour. Connect the reactor pump to a clock timer and run...

[G.Alexander]

Difficult to say from the pictures, to the brown stuff does disappear in the night coming back quick if the lights are switched on again in the morning ? If you have access to a microscope:

https://forum.zeovit.com/forum/lives...dinoflagellate

They are round and moving active...

[G.Alexander]

Both would not hurt so you can use them additional but I do not expect that it will really fix the problem but it might support the process to get rid of them.

G.Alexander...