I've battled with bryopsis before and I've won.
Before the battle, I did my research and found not all brand of mg did the job and there are only two particular brand of mg that kills bryopsis; Brightwell and Kent.
My first try, Brightwell. I did all the level from 1500 and even push up the mg level to 2000 but nothing much happened. I've kept my mg level 2000 for about a month plus.
Then I try Kent. Since my mg level is still high, I start to dose after my mg level drop to 1700 after several routine WC. When I dose Kent mg to 1800, the next few days I can see some changes to the bryopsis.
The young bryopsis begin to wither and dye off. The old ones still going strong. I push up again to 1900. Still the same.
The new young one grew and wither. Then I remembered through my research that by pulling old stubborn bryopsis helps to fight bryopsis battle.
So I begin the frustrating part of pulling all the old one. When I did manage to pull off all the old bryopsis, stubborn as the name it start to grow back and dye off. I still maintain my Kent mg level to 1900. The I pull the strong and stubborn ones and the new grew and died.
I hold my mg level for about a month and monitor the bryopsis till it's totally disappear. Then I slowly bring down my mg level slowly through normal routine WC.
And yes, if you intend to push up the mg level, do it at 100ppm per day.
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