Caulerpa prolifera going transparent?

[Maebh]

Why is my calupera prolifera going transparent ? I only put it in on saturday. Is it going sexual?
Tests were fine on sunday. I dont have exact numbers at the moment, but from memory ph-8.2, kh-3.5ish meq/l, nitrates and nitrites-0, salinity-37 (I know ) and phos-0.3. I had a phosphate spike a bit ago and my old calupera prolifera disintegrated. I dont dose anything.
7 month old tank and only occupant is a nassarius snail.

 

[MrGisonni]

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[Maebh]

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Thank you! I think this is it

 

[Randy Holmes-Farley]

I think there’s at least one typo in that article:

addition to the supplement of iron, Magnesium and Trace elements will improve the growth of this live algae.​

I think they must mean manganese, not magnesium. Macroalgae can deplete manganese very fast, but will not change magnesium appreciably.