Red porphyridium cruentum

[gengar800]

Anyone know how to culture this strain of Phytoplankton

 

[Stephers]

I know of a few people doing it. I tried it out some months ago and greatly disliked it. I found it very clumpy and annoying. Is there a reason you want this particular one? I changed over to rhodomonas and it's a wonderful phyto to culture, if you're looking for just a red phyto.

 

[gengar800]

I know of a few people doing it. I tried it out some months ago and greatly disliked it. I found it very clumpy and annoying. Is there a reason you want this particular one? I changed over to rhodomonas and it's a wonderful phyto to culture, if you're looking for just a red phyto.

That is the only red phyto i can find local. Can you let me know why it clumpy and annoying. Did you successful in culture them. Tks

 

[Stephers]

As far as I'm aware, It's just a clumpy algae to begin with. @ReefLegends is now culturing it and so does @Bulldawg Reef

 

[ReefLegends]

I've been told I am wrong, I personally dislike Porph. I got some last year and ran it for 6-8 weeks, it was always leftover in copepod tanks and the rotifers I fed with only porch crashed. I would scope the rotifers, never finding a porph cell in their stomachs.

You'll want a smooth wall container, 1.020 salinity and fritz f/2. The cells stick to the jar and a pain to clean, one week into the culture and my 1 gallon jar is a pink hue and needs to be cleaned off with acid before reusing.

I do have rhodomonas salina, rhodomonas lens and pophyridium. If you are in Canada, I can look into the shipping some to you. Shipping costs will be slightly higher, if you'd like send me a message and I can look into it for you.

Skyler

 

[ReefLegends]

Heres a clip of all 3 reds I have
Growth of all 3 reds

 

[fryman]

I've been told I am wrong, I personally dislike Porph. I got some last year and ran it for 6-8 weeks, it was always leftover in copepod tanks and the rotifers I fed with only porch crashed. I would scope the rotifers, never finding a porph cell in their stomachs.

That's really interesting. I have definately noticed different zooplankton seems to preferentially consume different phyto. For example, rotifers seem to love nanno, copepods not so much.

My basic mix for copepods is tetraselmis, isochrysis/tisochrysis, synnechoccus, and porphyridium. For rotifers I add nanno. Sometimes I have thalassiosira but it doesn't grow as robustly for me so it's a more minor addition.

The first eaten seems to be isochrysis/tisochrysis & thal but porph is reasonably close behind. Then the greens get eaten. Testraselmis is almost always the last to go. I can even see a difference just by naked eye after a few days - the culture changes from a brownish-green to tet green after a few days before finally getting clear.

I don't know what species of porphyridum I have but maybe it's a more palatable strain?

 

[ReefLegends]

I’m running another test currently. I agree pods don’t like nanno that much. Rotifers love nanno & chlorella with a small amount of t-iso and galbana.l, rotifers also do okay on diatom strains.

Pods I like to feed chui, rhodo, iso and diatoms I feel like the more diatom phytoplankton they get the more robust they are the following days with new nauplii