Grape Caulerpa

[Slick Fork]

Just wondering if anyone knew where a guy could get some of this in Calgary, or if anyone had some they could spare.

[MikeP]

I picked up a small rock at Red Coral that had a little on it and it's been growing pretty fast. All it takes is a bit. I could trim a little to get you started if you want. But I don't have much to spare at this point. If you're looking for more Colby and Elite has offered to give me some in the past.

[SeaHorse_Fanatic]

Don't let grape caulerpa enter your display tank because it is a real bugger to get rid of. Highly invasive.

[MikeP]

Yes as I have noticed too. Mine is in my sump.

[digital-audiophile]

I've read too many horror stories on the net about grape calerpa going sexual and wiping out tanks to let it any where near my tanks.

[Zoaelite]

I love my grape! I have an upstream 10g fuge plumbed on my 28g JBJ nano and i will remove 90% of the Macro once every 10 Days or so. After 10 days its PACKED full again. Its amazing at exporting nutrients from the water. If you really need some so im sure I could spare some for a little frag or what not .
Levi

[Slick Fork]

If anyone has other recommendations I'd love to hear them. I've got some Chaeto right now but for whatever reason I can't seem to get it to grow as fast as I'd like and had heard that Caulpera was a much quicker growing macro to put in the sump. I currently have the sump lit with a 23 (or was it 27) watt CF light bulb.

[Slick Fork]

For those who are running grape, do you take any special measures to keep it out of your display? I've read that if you keep the photoperiod constant, there will be no percieved seasonal change to trigger it going sexual, anyone have any comments/experience on that? Is Grape Palatable to herbivores (i have a purple tang and a foxface, wondering if they would keep it under control in the event that it did get into the display)

[Delphinus]

In my experience it's a case of "they might or they might not, but they probably won't."

I've always kept my photoperiod constant and I had caulerpa and halimeda sporulate.

Basically there's really no control of sporulation - it either happens or it doesn't. The only thing you can do to mitigate the risk is keep pruning so that if it does sporulate, at least it's (hopefully) only a little bit of it that does.

I've found chaeto can be a frustratingly slow grower. One thing that I've found, it does seem to grow faster under brighter lights so you can consider adding some light (maybe a second CF, or a bigger CF, or something like that). Also I've noticed that it sometimes just sort of sits there and does nothing, but when it starts to grow boy does it suddenly take off on you. So it could be a case of that down the road it will be growing quickly for you.

There have been times I've been tempted to see if I could get some caulerpas again but I'm really not sure if there's a way to guarantee it doesn't spread into your main display. There are some neat caulerpa species though. I'd love to get my hands on some C. prolifera for example, looks almost like seagrass. I haven't seen any locally though... if you find some please let me know!

[MikeP]

I was told that if you keep it trimmed back you don't have to worry about any negative effects on the tank. I feed little bits to my Naso tang and he loves the stuff. I have Cheato and the caulerpa in my fuge, the caulerpa starts to grow into the cheato so I'm always moving the cheato so I don't end up with a big ball of two types of macro algae. They both seem to grow pretty good under my 55w PC light but I think a little more wattage would be better.