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[G.Alexander]

The flatworms do stress the corals so they are growing much slower which does reduce their element consumption. I would recommend to dose 0.5 ml CoralBooster / 25 US gallons 2 x weekly.

Flatworm Stop can be dosed @ 3ml / 25 US gallons once daily for the first 10 days, than reduce the the...

[G.Alexander]

I have personally just used CaCO2 reactors but basically you can mix your own Ca supplement very easy. It is just important to use pure chemicals without much additional elements as they will darken corals tissue.

Korallenzucht for example does offer a salt also:

https://w...

[G.Alexander]

Sorry to hear, please keep in mind that the eggs are not affected by dipping them, they need to be removed carefully with a knife for example but the possibility to miss some is huge as the eggs can also be around the coral on the rocks.

Stop dosing Iodine if you use a supplement with it...

[G.Alexander]

Hello Alex, the water parameters are ideal so there is no change necessary. At the moment dosing the basics would also be enough.

The corals are beautiful but those kind of corals are very delicate and as the system is still very young they might loose some color. At the moment there is...

[G.Alexander]

If it does not drop lower than 1200 mg I would personally not do anything. In systems with coraline algae the level can drop over the time. If you run a CaCO2 reactor adding some Mg granulate is something I would prefer instead of dosing a supplement.

G.Alexander...

[G.Alexander]

Do you remember if you have added or changed any kind of equipment around the time the problem has started ? What are the white pads at the bottom of the sump on the left side ? Do you use any kind of sponge or filter floss ?

You might also try to play around with the setup of your LEDs,...

[G.Alexander]

Thank you for the pictures but I can not see anything unusual. Are the cyanos just on the sand or do they spread to the rocks also ? Have you already tried to vacuum the affected sand areas regular for some time while the weekly water changes ?

Hare the cyanos started to show up since you...

[G.Alexander]

Great looking rockwork 👍

As Jacky mention I would also recommend to increase the dosage of the basics to the recommended quantities for a net water volume of 200 US gallons.

Some kind of sediment is normal, no worry. At the moment I would not add additional animals, give...

[G.Alexander]

I do not know the ingredients of the products but basically I would assume that even if the product does contain potassium it would not increase the systems level much if dosed as recommended as the added quantity is much to low.

G.Alexander...

[G.Alexander]

Can you please post a full tank shot and a picture of your sump ? Which kind of rocks and sand have you used in the system ?

G.Alexander...

[G.Alexander]

I would recommend to you to increase the KH slowly. The level should not be higher than 8 so keeping the level in the range of 6.5 to 7.5 is ideal. Higher concentrations do not improve anything.

The NO3 level should start to decrease slowly over the next couple of weeks, there is not much...

[G.Alexander]

I do not see a reason to increase nutrients in your system. Dinoflaggelate can show up in any kind of system, whatever the nutrient concentrations are. There are so many reasons for them.

My recommendation is to continue as planned as long as there are no issues giving the system time to...

[G.Alexander]

Lets increase the reactor flow to ~ 500 liters in about one week if corals are doing fine, this should be helpful to slowly decrease PO4 again. Additional you can dose BioMate @ 10 drops every other day if you already own the product. At the moment I would not use a PO4 absorber.

Please...

[G.Alexander]

Can you please repeat the PO4 test to see if that is any kind of a test failure ? Ca and Mg are both really high, have you already cross checked the salinity with a different, accurate instrument to rule out a increase of salinity ?

G.Alexander...

[G.Alexander]

Hello Alex, you can dose some K-Balance if you like to, even if the level is a little bit higher it will not have a negative impact. Starting with 1 ml K-Balance Strong or Standard per 100 liters every other day would be OK. The particles in the water can be air bubbles or any kind of sediment from...

[G.Alexander]

Here you can find a step by step guide to cycle a fresh system with ZeoVit:

https://forum.zeovit.com/forum/gener...803#post290803

G.Alexander...

[G.Alexander]

In about 2 weeks if corals are doing well you can switch your reactor to continuous flow with a flow rate of ~ 500 liters per hour. In the meantime you can run the reactor with the lower flow instead of using the 3 hour on / off interval as the material needs to be submerged all the time.
...

[G.Alexander]

Here are some information from the manufacturers product description:



G.Alexander...

[G.Alexander]

Basically the posts are still up to date but some products which have been added later to the portfolio are missing.

G.Alexander...

[G.Alexander]

1.2 liters ZeoVit would be the right quantity for your system with a net water volume of 500 liters. Even if it is the first exchange I would recommend to replace 90% of the material, the 50% change is usually used of a fresh system is cycled.

Because of the reactor flow, it should be ~...