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General Information Great Whites premium and concentrated formula aids optimum colonization of root systems by the fungi
The active ingredient
Dimensions: Overall height - top to bottom: 19"
These Mini-Blocks™ are individually wrapped in white plastic to minimize algae growth
more resilient plants
Hydro-Logic® Poly Tubing, Blue, 1/4in, 50ft Roll Co2 Tanks General Information Great Whites premiumReplacement tubing for Hydro logic products Also can be used for a variety of other irrigation and water purification applications.
