How to make potions in minecraft pe

Improved:Slowdown IV: Slow down the player to 40% speed. Mixed effects[] Reactive Potion, base Extended effects Turtle Master Potion (0:20) Turtle Master’s Potion (0:40) Turtle Master’s Potion (0:20) Slowness IV, Resistance III: Slows the player down by 60% speed and reduces incoming damage by 60%. ................
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