Hydrofarm Vented Humidity Dome 7.5" Amendment making it suitable for year-round

making it suitable for year-round use

and is waterproof

air-tight close

But in all seriousness

 PESCADERO GOLD Mustard Meal is a fertilizer made from crushed mustard seed

Hydrofarm Vented Humidity Dome 7.5" Amendment making it suitable for year-roundDescription Product Details: This is the only dome on the market with adjustable top and side vents to better control humidity and temperature. This is the only dome on the market with adjustable top and side vents to better control humidity and temperature.: These domes fit directly onto the standard 10 x 20" cut kit trays to create a humid and warm environment ideal for cuttings and seed germination. Tall 7. 5" dome gives extra height for your