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Mon, Jun 22, 09 at 8:30
| Is their a difference from a nutrional point for a plant, between fresh water algae and salt water algae (kelp)for . You can harvest fresh algae from ponds for free as compared to having to buy kelp for about $60 per 20kg bag |
Follow-Up Postings:
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- Posted by taxonomist 7b VA (My Page) on Tue, Jul 7, 09 at 19:42
| Instead of fretting over the price of kelp and nutritional difference between the two types of algae, why not be content with a fine mixture of inorganic salts? A good water-soluble fertiliser such as RapidGro or Peters will consistantly provide all of the elements necessary for healthy plant growth, and it's certainly much less expensive!!! |
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- Posted by brendan_of_bonsai 4b AK (My Page) on Wed, Aug 19, 09 at 19:59
| No, salt water is full of minerals so saltwater photosynthesizers can get what ever there little enzymes desire, freshwater algae have evolved to make due without. |
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