Here is what it looked like at the beginning of day 4, pics 1 and 3 are before cleaning, 2 and 4 are after cleaning, I think the lack of growth in the middle is burning:
Here is what it looked like at the beginning of day 4, pics 1 and 3 are before cleaning, 2 and 4 are after cleaning, I think the lack of growth in the middle is burning:
Looks good to me.
I redid some drain plumbing and upped the flow by about 50% and switched the light cycle from 12 hours to 15 hours.
You need something that will eat the bubble algae, as completely out competing it with the scrubber will be difficult. Emerald crabs and a rabbitfish worked for me.
Thanks MA I had a feeling that is was something that a scrubber might have a hard time with alone...
So many mixed results on what eats bubble algae...... sigh....
I think I will just stick the the scrubber and manual removal for now, its been 2 days now since I cleaned the scrubber and it is clearly going pretty strong. I have still been running my lights at 5% but I think I will just turn them off for a few days.
Wouldn't bother. I used to have a lot of bubble algae (although nothing like your problem). It seems pretty immune to light deprivation. I even took a piece of rock with bubbles and put it in the (completely dark at that time) sump for a month. Made no noticeable difference to it.
Tried emerald crabs too, they did eat a bit (they prefer other stuff though) but it grew faster than their rate of consumption (I had three, and a lot less bubbles than you).
Best way I found was to use a scrubber, restrict feeding and manually remove constantly (I found that a siphon hose with a filter bag cable tied around the outlet and a hard plastic pipe on the feed end work quite well, you can use the plastic pipe to scrape them off the rock and they go straight up the siphon and get caught in the bag) .
I suspect that it feeds on nutrients trapped in the rock so you have to wait for it to exhaust itself.
I still have the odd bubble here and there now, but not many.
This is about 3 and a half days after cleaning (maybe slightly less):
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