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Surgical stainless steel holds a sharp edge longer
• Compatible with all GroStar replacement probes: pH
Install horizontally or vertically
unaltered oxidized lignite containing 70% total humic acids
70 GALLON PREMIUM WHITE RESERVOIR 55
Sunshine Advanced Mix #4 (3.0 cu. ft.) Hygrometer Surgical stainless steel holds aSunshine Advanced Mix #4 is meticulously formulated to meet the needs of professional growers, yet is easy to use for beginners. It contains Canadian sphagnum peat moss, coarse perlite, coconut coir and an organic starter nutrient charge. This mix is also complemented with multiple strains of mycorrhizae and an organic wetting agent. Formulated to retain moisture while improving root aeration and drainage, this mix ensures a strong, healthy root
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