Hi,
I've just done my first 4 week change of stones on Sat. The last couple of days I've had a brown film in a localized area of my tank. Its on a new piece of dead rock I just added so i could attach some more sps, and on a portion of my substrate. I also had come on a piece of sps near the top of my tank,(I noticed it blowing in the current.) I use 1/3 liter Zeo.(66 gal net vol). 2 drops food/ bak every other day, 2 drop AAHC daily, 1/2 ml start twice a day.
Could this be from the AAHC or the BAK/FOOD, or the new stones??-S.
I've just done my first 4 week change of stones on Sat. The last couple of days I've had a brown film in a localized area of my tank. Its on a new piece of dead rock I just added so i could attach some more sps, and on a portion of my substrate. I also had come on a piece of sps near the top of my tank,(I noticed it blowing in the current.) I use 1/3 liter Zeo.(66 gal net vol). 2 drops food/ bak every other day, 2 drop AAHC daily, 1/2 ml start twice a day.
Could this be from the AAHC or the BAK/FOOD, or the new stones??-S.
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