Those are quite some sizeable plantlets ready to grow.
Usually the initial growth would be slow. Once they are settled with rooting system establishing, growth will start to really pick up.
Size per size comparison the fert products appears to be a fair comparison, though in the future it might actually be more economical on either side in actual due to price difference while retaining the quality expected.
Waiting patiently and eagerly for next weekly update.
Thanks for trying
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700gal sunken garden. Screened sunlight and 1 x 400W MH. CO2 injection. Wonder-Gro series ferts.
260gal planted open top tank#1. 3 x 150W MH lighting+ 4 x 40W T12. CO2 injection. Wonder-Gro series ferts.
260gal planted open top tank #2. 3 x 150W MH lighting + 4 x 30W T5. CO2 injection. Wonder-Gro series ferts.
Wonder-Gro series ferts (available @GLA)
http://i33.photobucket.com/albums/d6...Brosurcopy.jpg