i love me some kelp : this is my preferred version & place to grab it : this guys myco,bacto, endo products are 1/2 less $ than a jar of great white for the same quantity :
http://www.kelp4less.com/store/products/category/kelp/
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one full days of research suggests (being labeled as a fert) you can mix & store a product like roots excelurator or atami rootbastic.
the atami, outside of a small amount of proprietary stuff, has many of the same ingredients as the H&G product.
one way to use it ...in a rez (but they note not after week 3) ,...which is like "storage" imo ...just in a tank under a table.
imma email atami & find out whats what.
until then i mixed out a gallon , used what i needed , and store the remainder in the fridge... labeled of course
* concentrated big time, recommended dose is .3 to 1ml of product
* only slightly changes ph
* adds about 50ppm to a gallon of water
* has brown algae & kelp extracts
* clay & special micro nutes & npk : 3/14/3
i got small roots bustin out in the cloner last night, so let's see where they at by weeks end.
http://www.rootbastic.com/index.php?topic=important_notes&style_id=0