Local Macro Algae/Sea weed

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Are the various varieties of seaweed and macro algae we find in our local rock pools safe for our tanks as a food source for herbivores and just general tank decor? Some of them actually look quite nice.
 

leslie hempel

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there are some that can be grown if aclimatised properly but in general its a no no... even bluefish grass can be successfully kept if its requirements are consistently met...
 
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Is it a no no Les because we cant successfully keep them and they die? Or is a no no because the can be toxic to the system?
 

leslie hempel

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mostly because if the temperature required to keep our local algaes/seaweeds.. speaking specifically from the start of the EC lower Transkei to Cape town.. algaes /seaweeds collected further up would be better for our tropical systems... as for the toxins released due to reproduction i am not sure.. somebody who knows more on this area would have to comment..
 
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I have successfully introduced a few Sargassums from the Cape south coast (Mosselbay area...) to my tropical matine tank when I started this hobby some 10 - 11 years ago, and they did not only survive, but actually grew into really nice, large plants over the next 2 years or so.

If you do try something similar, I would suggest that you collect the plant (on the rock it's growing on) from a smallish tide pool - the water in these pools can become quite warm, and plants (and many animals) from these pools are more likely to adapt to our earmer tank waters.

Hennie
 

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