Cyanobacteria in the brackish shrimp tank

[Rob in Puyallup]

Thanks, fingers still crossed! :-)

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[Rob in Puyallup]

Noticed when I added yesterday's dose that the bluegreen colored cyanobacteria had turned a pea-green. Today it seems like the medication may be affecting the caulerpa. Much of it has lost it's color and looks like it's "melting".

I see a big water change coming.

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[Rob in Puyallup]

Still looking awful in the 10 gallon tank.

Today's the last dose of Maracyn 2.

Tomorrow a big partial water change with the addition of a HOB filter with purigen and maybe a toothbrush to scrub the live rock.

I've said it before: I hate disturbing my shrimps little world.

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[Rob in Puyallup]

Tank so fuzzy the camera can't focus.

[KenP]

Do you think any shrimp other than H. rubra could deal with treatment?

[Rob in Puyallup]

Is supposed to be safe for inverts and bacterial beds if used according to instructions.

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[KenP]

Seeing such a cloudy tank would make my heart skip a beat. I hope you win the BGA war.

[Rob in Puyallup]

Says on the med box that it will cloud the water, so I was expecting it.

Still, doesn't make it an alltogether pleasant experience.

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[somewhatshocked]

Maracyn-Two is definitely invert safe. I've used it with Neos, Crystals, TBs with no issues.

[Rob in Puyallup]

Okay... Have cleaned up the remaining cyanobacteria in the tank. Well, the parts that I could get without tearing down the tank. Hard telling what was alive or dead.
Did a 5 gallon water change and hung a new HOB (HOfront in this case), filter with a sponge prefilter, a bag of Purigen and the carbon cartridge that came with it. The water is slowly clearing up.

I found one of the baby opae swimming after the water change. Guess the stresses and changes in it's environment hasn't been too bad, though it's worried me a whole lot.

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[Rob in Puyallup]

Found my first dead opae ula ever this morning in the 10 gallon tank. :-\

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[KenP]

Rob look on the positive side. Maybe the shrimp was old and died from age. A question or two. The folks that sold you the shrimp tank raised or not? The reason I ask is from your pictures all the shrimp look the same size. There does not look like a mix of sizes. You may have asked for adult size only.

[Rob in Puyallup]

Three different sources, Ken. Two from Hawaii, the third Texas. I received 5 larva from the seller in Texas.

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[KenP]

Looks like the Texas seller has tank reared shrimp. Morally they should sell for more but hard to compete financially with field collected.

[Rob in Puyallup]

A great vendor who I've kept in touch with. Breeds many different species of shrimp.

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