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• Compatible with all GroStar replacement probes: pH
Surgical stainless steel holds a sharp edge longer
1 second on/off
By reducing the chance of cross-plant contamination
This product is also useful to support your plants as they transition into blooming
Sunshine Advanced Mix #4 (3.0 cu. ft.) Hygrometer • Compatible with all GroStarSunshine 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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