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Probe calibration is a simple procedure for optimal performance and should be done any time your readings become suspect
PREMIUM EXTRACTION FINE MESH SQUARES 4 PACK OF 6 inch x 6 inch mesh squares
60-70% Canadian sphagnum peat moss
CLEAN & COMPATIBLE: Our mineral-only formula ensures no sediment or organic material
Then this liquid bloom fertilizer
Athena Bloom A 1 Gallon Indoor Grow Equipment Probe calibration is a simple2 PART FLOWERING FORMULA: Designed specifically for the flowering stage of fruit and flower producing plants, ensuring optimal growth and yield. *Please note: This listing is for PART A only ENHANCED NUTRIENT UPTAKE: Combines high quality macronutrients and chelated micronutrients to improve nutrient absorption across a wide pH range, water types, and grow methods. SUPPORTS BUD PRODUCTION: Readily available nutrients support bud production, flower