G10 (Gravitation #10) started as Emerald Triangle's experimental substitute for Gravity but turned into something else. They have taken their original proprietary kelp extract to the next level. It's not Gravity—it's something MORE!
Use with Sonic Bloom and Killer Tea for maximum finish. No PGRs.
This product is also available in 15 gallon, 30 gallon, and 55 gallon drums.