Dosing manganese with goniopora

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Bcook1016

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I dose manganese (brew my own) and have about 35 gonis that I’ve had for over 4 years. Is it the manganese? Maybe.

I also dose iron, phyto and iodide so could also be any of those or a combo of all. We’ll never know.
With starting with manganese how would you start everything with a 10-12 gallon tank. Would you do icp tests like crazy and get the manganese down or start off slow and see the effect and keep going?!
 

JGT

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With starting with manganese how would you start everything with a 10-12 gallon tank. Would you do icp tests like crazy and get the manganese down or start off slow and see the effect and keep going?!
Latter. ICP tests are expensive and for a 10-12 gallon it’s overkill IMO. Start slow and slowly ramp up. It can’t hurt.
By manganese standards, I overdose my tank big time and see no deleterious effects.
 

KTTX

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I have 20 plus gonis in my main display tank and don’t do regular water changes. For gonis, both manganese and iron seem to do something in my tank.

If you do regular water changes, you may not see much of a boost.

Interestingly, I found through ICP that my iodine was very low. When I started dosing it my gonis exploded and started extending more than ever.
What iodine do you dose?
 

crazyfishmom

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What iodine do you dose?
I bought this potassium iodide Amazon link and made a 1 Liter solution. Potassium Iodide is 77% iodine. So if you add 10 g of potassium iodide to 1 L of water, this generates a 7700 ug/mL solution, let’s say 8000 to make it easier to think about. So if you wanted to dose to 80 ug/L in a system where iodine is not detected in a 100 liter (25 gallon) system, you would dose 1 mL per the following formula:

Amount to dose in ml = 80 ug/L x 100 L / 7700 ug/mL

So you can plug in your aquarium volume into the formula in liters.
 

Randy Holmes-Farley

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Okay so I’m getting a Goniopora coral in about two weeks and was wondering because they need manganese as an element and I can’t find any videos. How do I test the manganese and q dose it accordingly to the tank or do refers not test it and add like drops in every day?! Please get back thank you!!

Just an fyi, all (or nearly all) organisms need manganese and algae consumes it very fast. Just a little algae growth can strip manganese out of a reef tank.

That said, your salt mix has it. It’s not an extra that you add only when having certain organisms.

How high any trace element can go before becoming toxic is not well defined for reef tanks. Be careful dosing without measuring by icp-ms.
 

gbroadbridge

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With starting with manganese how would you start everything with a 10-12 gallon tank. Would you do icp tests like crazy and get the manganese down or start off slow and see the effect and keep going?!

For a 10gallon tank I would keep things simple and just do weekly 10-20% water changes or use an all in one product such as All For Reef.
 

Rincoperson

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My tank is approaching 4 months old and I have had the 2 Goins in the first pic for all most 2 months, I dose all for reef along with phyto and redsea ab+. Nitrates 15-20 and phosphate 0.03
 

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gbroadbridge

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My tank is approaching 4 months old and I have had the 2 Goins in the first pic for all most 2 months, I dose all for reef along with phyto and redsea ab+. Nitrates 15-20 and phosphate 0.03
As everyone will say, all tanks are different - but in your position I would stick with the AFR dosing and not independently dose any particular traces.

I'd keep phosphate in the range 0.05 to 0.10ppm. At 0.03 you are approaching the limits of the test kit which can be +/- 0.03ppm - so you may be closer to zero than you think.
 

Rincoperson

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As everyone will say, all tanks are different - but in your position I would stick with the AFR dosing and not independently dose any particular traces.

I'd keep phosphate in the range 0.05 to 0.10ppm. At 0.03 you are approaching the limits of the test kit which can be +/- 0.03ppm - so you may be closer to zero than you think.
I currently have to dose 0.03 worth of neophos daily to keep it there but corals look amazing so I use the eye test as well
 

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