Manganese supplement for Goniopora?

HuduVudu · Mar 17, 2021

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blackstallion · Jul 1, 2021

My Goni has been receding for quite a while, so to try and see if dosing Manganese and Iron will help, I purchased the Two Little Fishies branded Iron Concentrate with Manganese.

The bottle instructs to dose 5ml/25g once a week.

From what I'm hearing in this thread, these trace elements are taken up extremely quickly.

Has anyone had experience with dosing this supplement (or similar), and if so, should I stick with the recommended dose OR up it?

IF I notice the Goni benefit from the dose, I may look into some of the DIY formulas for these trace elements.

Waynefish · Jul 8, 2021

I bought a goniopora frag last year and had trouble with it while in QT. It stayed shriveled up for 3 weeks. Not a great pic but you can see that it was not doing well.

I read on a thread here that a reefer was dosing 1ml of Triton manganese per 100 gallon a day. My QT is 10 gallon so I mixed 5ml of the manganese in 500ml of water and dosed 10ml of that solution per day.

That was the only thing I recall changing. I was very pleasantly surprised at how fast the goniopora improved. See the pics. The pics are over a 2 week period. I saw initial improvement within 1 day or 2.

sghera64 · Oct 20, 2021

Waynefish said:
I bought a goniopora frag last year and had trouble with it while in QT. It stayed shriveled up for 3 weeks. Not a great pic but you can see that it was not doing well.

I read on a thread here that a reefer was dosing 1ml of Triton manganese per 100 gallon a day. My QT is 10 gallon so I mixed 5ml of the manganese in 500ml of water and dosed 10ml of that solution per day.

That was the only thing I recall changing. I was very pleasantly surprised at how fast the goniopora improved. See the pics. The pics are over a 2 week period. I saw initial improvement within 1 day or 2.

Thank you for this post. I have a number of Goni's that have been (in turn) starting to close. They tend to do that but open back up on their own after 1-3 days. This time they are not coming open after a few weeks.

Your post is dramatic and based on a single-factor change (that we know about). I started adding a DIY recipe of Mn a couple days ago and I think I have seen some improvement, but I need more time to be sure.

Randy Holmes-Farley · Oct 21, 2021

sghera64 said:
Your post is dramatic and based on a single-factor change (that we know about). I started adding a DIY recipe of Mn a couple days ago and I think I have seen some improvement, but I need more time to be sure.

keep us updated!

thatmanMIKEson · Aug 20, 2022

Any updates? This was a good read, thanks

Waynefish · Aug 23, 2022

Unfortunately the Gonio didn’t make. It was doing very well in QT. Moved it to the main tank and it went downhill fast. My main tank had a rusty magnet issue.

Randy Holmes-Farley · Aug 23, 2022

Sorry to hear that.

Miami Reef · Sep 24, 2022

Randy Holmes-Farley said:
It isn't:

I ordered the first one.

Do you have a general starting solution I can make? I have a 1 liter volumetric flask and I wanted to make a manganese supplement.

My tank is 260 gallons. Thank you!

wcharon · Nov 5, 2022

Miami Reef said:
I ordered the first one.

Do you have a general starting solution I can make? I have a 1 liter volumetric flask and I wanted to make a manganese supplement.

My tank is 260 gallons. Thank you!

Interested in this as well.

@Randy Holmes-Farley i will be placing an order for this and will like you if possible to share a starting point.

Thanks in advance...

Randy Holmes-Farley · Nov 8, 2022

Here's the calculation for the second one that Miami recommended (from another thread):

Let's suppose your target is 165 ng/L, which is a typical ocean value (it varies a lot). Triton uses a set point 10x higher.

100 gallons is 379 liters.

So a NSW value of 165 ng/L x 379 L = 62,535 ng (0.063 mg) in your tank.

From the stock recipe above:

Manganese(II) chloride tetrahydrate is 28% manganese by weight.
Here's a recipe:

Dissolve 1 gram (which contains 280 mg actual manganese) in 2.8 L fresh water. Manganese = 280 mg/2.8 L = 100 mg/l.

Thus you want 0.063 mg/100 mg/L = 0.00063 L or 0.6 mL added to the 100 gallon tank to match typical NSW levels.

IF you used manganese gluconate (about 12.4% manganese by weight) you would need to use about twice as much.

wcharon · Nov 8, 2022

Randy Holmes-Farley said:
Here's the calculation for the second one that Miami recommended (from another thread):

Let's suppose your target is 165 ng/L, which is a typical ocean value (it varies a lot). Triton uses a set point 10x higher.

100 gallons is 379 liters.

So a NSW value of 165 ng/L x 379 L = 62,535 ng (0.063 mg) in your tank.

From the stock recipe above:

Manganese(II) chloride tetrahydrate is 28% manganese by weight.
Here's a recipe:

Dissolve 1 gram (which contains 280 mg actual manganese) in 2.8 L fresh water. Manganese = 280 mg/2.8 L = 100 mg/l.

Thus you want 0.063 mg/100 mg/L = 0.00063 L or 0.6 mL added to the 100 gallon tank to match typical NSW levels.

IF you used manganese gluconate (about 12.4% manganese by weight) you would need to use about twice as much.

Thanks @Randy for the receipt. I will order the second one then.

Sorry for the ignorance, if i don't have a way to measure by weight (grams) for the formula which will be the equivalent let say in TSP, Cups, etc? Or is it better to get how the grams measurement?

Thanks in advance...

Randy Holmes-Farley · Nov 8, 2022

wcharon said:
Thanks @Randy for the receipt. I will order the second one then.

Sorry for the ignorance, if i don't have a way to measure by weight (grams) for the formula which will be the equivalent let say in TSP, Cups, etc? Or is it better to get how the grams measurement?

Thanks in advance...

It will be a rougher estimate of the amount to go by dry volume since the bulk density (the fluffiness) will vary. One I found claimed 1.15 g/mL, which would be 5.6 grams per level teaspoon.

wcharon · Nov 10, 2022

Randy Holmes-Farley said:
It will be a rougher estimate of the amount to go by dry volume since the bulk density (the fluffiness) will vary. One I found claimed 1.15 g/mL, which would be 5.6 grams per level teaspoon.

Perfect. Thanks @Randy Holmes-Farley

Randy Holmes-Farley · Nov 10, 2022

wcharon said:
Perfect. Thanks @Randy Holmes-Farley

You're welcome.

Good luck and let us know how things work out.

Miami Reef · Jan 3, 2023

Randy Holmes-Farley said:
Here's the calculation for the second one that Miami recommended (from another thread):

Let's suppose your target is 165 ng/L, which is a typical ocean value (it varies a lot). Triton uses a set point 10x higher.

100 gallons is 379 liters.

So a NSW value of 165 ng/L x 379 L = 62,535 ng (0.063 mg) in your tank.

From the stock recipe above:

Manganese(II) chloride tetrahydrate is 28% manganese by weight.
Here's a recipe:

Dissolve 1 gram (which contains 280 mg actual manganese) in 2.8 L fresh water. Manganese = 280 mg/2.8 L = 100 mg/l.

Thus you want 0.063 mg/100 mg/L = 0.00063 L or 0.6 mL added to the 100 gallon tank to match typical NSW levels.

IF you used manganese gluconate (about 12.4% manganese by weight) you would need to use about twice as much.

Thank you, Randy.

I made it in a 1L solution!

I can’t wait to observe the effects to my Goniopora. I have one that’s been closed up for months and nothing I can do is making it better. I am so so so excited!!!

Here’s 2 of my Goniopora that seem to be more closed. I have other happy gonis, so I’m hoping this is the magic bullet!

The pink one and the big green one are both more retracted.

N-A-S-O · Jan 17, 2023

Miami Reef said:
Thank you, Randy.

I made it in a 1L solution!

I can’t wait to observe the effects to my Goniopora. I have one that’s been closed up for months and nothing I can do is making it better. I am so so so excited!!!

Here’s 2 of my Goniopora that seem to be more closed. I have other happy gonis, so I’m hoping this is the magic bullet!

The pink one and the big green one are both more retracted.

Any updates here?

Miami Reef · Jan 17, 2023

N-A-S-O said:
Any updates here?

I haven’t seen any benefit to be honest.

I think the issue might be overlighting.

I still dose the manganese because I believe it is important, but the pink goniopora continued to bleach until I moved it to the shade. It looks to be starting to recover now.

Treefer32 · Jan 18, 2023

I researched this as well, Triton makes a straight pure manganese supplement (liquid dosing). I used to do this for my gonis. However, I have since switched to Chaetogrow. It has the micro nutrients needed for growing macro algae in my turf scrubber. It's had a huge impact on how fast my hair algae grows in my algae turf scrubber and how thick and strong the algae is. I dose it twice a week in my 340 gallon system. And it seems to fuel my gonis as well. The 9 trace elements include Manganese.

vetteguy53081 · Jan 18, 2023

rudysmallfry said:
I am trying to find a manganese supplement for a Goniopora. The only ones I can find come with iron and in some cases, trace amounts of copper. I have fish and other critters in my tank, so copper is out and I'm concerned about iron. Are there any straight manganese supplements? What are people using for their Goni's?

I use the one from reef moonshiners program.
In the past I used the Brightwell formula