Tropic Marin Trace Elements dosing

FOliveira

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Hi fellow reefers,

Dear @Lou Ekus and @Hans-Werner , your knowledge input would be so much appreciated on this matter…!

My question is about TM trace elements.

I have a 20g nano cube running for a year with lps only, and import of trace elements comes from the following:

A) automatic water change of 2 liters/day with TM Pro-Reef salt (considering the system likely has around 65 liters of real water volume, this is roughly 20% weekly)

B) All-for-Reef dosed daily, currently 4ml / day to keep kH around 8

The thing is, in the past 3 weeks I have been dealing with no detectable Po4 nor No3, which will not benefit my lps corals. I stopped the water changes immediately and reduced my skimmer timing to 16 hours/day, and after 3 weeks I am still reading zero Po4 and am up 0.4 on the No3… so I think my system reached a point where it is able to thrive without regular water changes, the skimmer and additional filtration seem enough for nutrient export.

That leaves me with a deficit on trace elements, as the pro-reef salt 2 liters/day have stopped, and the all-for-reef trace elements are not enough. I confirmed this with an ICP, that showed around 12 elements between 20% and 50%.

So I am thinking of buying TM A and K Trace Elements, but don’t know how I should approach the dosing. Your instructions of 1ml daily for trace elements is probably not considering my additional trace element dosing via all-for-reef.

Do you think A and K Trace Elements is my best bet? If so, how should I approach dosing? Or should I just go on with the regular water changes and manually dose Po4 and No3?

Kind of lost here… many thanks for your help :)

Filipe from Portugal
 

Randy Holmes-Farley

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Hi fellow reefers,

Dear @Lou Ekus and @Hans-Werner , your knowledge input would be so much appreciated on this matter…!

My question is about TM trace elements.

I have a 20g nano cube running for a year with lps only, and import of trace elements comes from the following:

A) automatic water change of 2 liters/day with TM Pro-Reef salt (considering the system likely has around 65 liters of real water volume, this is roughly 20% weekly)

B) All-for-Reef dosed daily, currently 4ml / day to keep kH around 8

The thing is, in the past 3 weeks I have been dealing with no detectable Po4 nor No3, which will not benefit my lps corals. I stopped the water changes immediately and reduced my skimmer timing to 16 hours/day, and after 3 weeks I am still reading zero Po4 and am up 0.4 on the No3… so I think my system reached a point where it is able to thrive without regular water changes, the skimmer and additional filtration seem enough for nutrient export.

That leaves me with a deficit on trace elements, as the pro-reef salt 2 liters/day have stopped, and the all-for-reef trace elements are not enough. I confirmed this with an ICP, that showed around 12 elements between 20% and 50%.

So I am thinking of buying TM A and K Trace Elements, but don’t know how I should approach the dosing. Your instructions of 1ml daily for trace elements is probably not considering my additional trace element dosing via all-for-reef.

Do you think A and K Trace Elements is my best bet? If so, how should I approach dosing? Or should I just go on with the regular water changes and manually dose Po4 and No3?

Kind of lost here… many thanks for your help :)

Filipe from Portugal

Personally, I'd just follow the full TM A and K recommendation, but here's how to reduce it based on AFR use:

The trace elements in AFR are about 1/10th of the concentration as in A and K. If you dose, say, 4 ml per day of AFR, then reduce the A and K (each) by 0.4 mL per day to maintain the same dosing of trace elements as in the full A and K.

 

Lou Ekus

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RHF is right on about most of the traces. Thanks @Randy Holmes-Farley

That being said, while this is a good approach in relation to most of the other trace element deficits, it will probably not address your NO3 and PO4 deficit. I would recommend looking into either Tropic Marin PLUS NP:
Or increasing your feeding to raise your NO3 a little, and looking into Tropic Marin PHOS FEED to address your PO4 deficit:

I hope this is helpful.
 

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