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When you drop your email, you’re not just trading it for a random coupon code — you’re getting 10% off your first order and a direct line to the lab. We’ll hit you up with honest grow tips, new substrate drops, and occasional deals we don’t post anywhere else, without spammy nonsense. If you’re trying to stretch your grow budget while still running clean, reliable subs, grabbing that 10% off is an easy win.
Check out our selection of Bulk Subs
Bruise Blue subs are truly sterile, batch-tracked, and tuned for fast colonization with stable moisture, texture, and pH—so your mycelium tears through instead of stalling. We run fresh batches, pressure-sterilize in-bag, and QC every lot for consistency. Try our field-proven recipes with nutrient profiles and structure that pin evenly and hold canopy weight.