master 38How to Mix Masterblend 4-18-38 for Hydroponics the Rht WayThe correct way to mix Masterblend Tomato formula 4-18-38 to use in your off grid, non circulatin...Berikut spesifikasi selengkapnya : Ukuran : • 34 (19 mm) • 78 (22 mm) • 1 (26 mm) • 1-14 (32 mm) • 1-12 (38 mm) • 1-34 (44 mm) • 2 (51 mm) • 2