Hello,
I'll try to include as much info as possible
Tank:
Red Sea Reefer 250
Good skimmer
TONS OF FLOW
chaeto refugium
RO/DI - 0 TDS
9 months old
Fish: two tangs and a few other small fish
CUC- pretty heavy load of trochus, cerith, conchs, urchin
Parameters:
All normal, phos 0, nitrates 0
Before the bloom my Phos was 0.03ppm, Nitrates at 5. Then the bloom brought them to undetectable levels.
I started my tank out with very heavy filtration (GFO, Carbon, NOPOX, chaeto refugium) and had great success, up until my tank turned 8 months old.
At this point I beat ulva and the tank was looking great. I decided to take GFO offline for good. I began dosing red sea coral nutrition A & B at 3ml each every day. Things were still going well.
Feeding: ~10 pellets dusted with reef roids, 3 times a day via auto feeder. frozen food when 4 times a week.
during this month, a few things happened:
I added a third reefled90 light
I accidentally added 10mls of Melafix to the tank and did a 30% water change
I vacuumed my sump for the first time
I added a lot of sps frags
3 weeks ago I had a massive brown algae bloom.
I stopped adding Coral Nutrition.
stopped auto feeding and only doing frozen food once a day.
I've done a ton of water changes and bubble scrubs. brown dusting is back in less than an hour.
I tried a little GFO. no change
I've been adding MICROBACTER7 every day for 3 weeks. No change.
My chaeto stopped growing
I reduced by led output to 30% for 4 days. No change in algae bloom.
I've been siphoning my sand every few days. No change in algae bloom.
Although I DO NOT have a confirmed algae ID, my snails DO eat it, but they can't keep up. it's dusty brown on the equipment and slimy brown on the sand.
Any help is greatly appreciated. I'll add pics soon.
I'll try to include as much info as possible
Tank:
Red Sea Reefer 250
Good skimmer
TONS OF FLOW
chaeto refugium
RO/DI - 0 TDS
9 months old
Fish: two tangs and a few other small fish
CUC- pretty heavy load of trochus, cerith, conchs, urchin
Parameters:
All normal, phos 0, nitrates 0
Before the bloom my Phos was 0.03ppm, Nitrates at 5. Then the bloom brought them to undetectable levels.
I started my tank out with very heavy filtration (GFO, Carbon, NOPOX, chaeto refugium) and had great success, up until my tank turned 8 months old.
At this point I beat ulva and the tank was looking great. I decided to take GFO offline for good. I began dosing red sea coral nutrition A & B at 3ml each every day. Things were still going well.
Feeding: ~10 pellets dusted with reef roids, 3 times a day via auto feeder. frozen food when 4 times a week.
during this month, a few things happened:
I added a third reefled90 light
I accidentally added 10mls of Melafix to the tank and did a 30% water change
I vacuumed my sump for the first time
I added a lot of sps frags
3 weeks ago I had a massive brown algae bloom.
I stopped adding Coral Nutrition.
stopped auto feeding and only doing frozen food once a day.
I've done a ton of water changes and bubble scrubs. brown dusting is back in less than an hour.
I tried a little GFO. no change
I've been adding MICROBACTER7 every day for 3 weeks. No change.
My chaeto stopped growing
I reduced by led output to 30% for 4 days. No change in algae bloom.
I've been siphoning my sand every few days. No change in algae bloom.
Although I DO NOT have a confirmed algae ID, my snails DO eat it, but they can't keep up. it's dusty brown on the equipment and slimy brown on the sand.
Any help is greatly appreciated. I'll add pics soon.
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