Kemmie 400g Boric Acid Powder 99.9% Pure - Soluble Orthoboric Acid H3BO3 Sprdg Disposable wooden Tongue depressors are

Disposable wooden Tongue depressors are made with premium A grade wood

Both versions are identical in function and performance

please keep the handle higher than the unit itself as all flossers have a "U" principle

ensuring all fittings are flush and secure

Kemmie 400g Boric Acid Powder 99.9% Pure - Soluble Orthoboric Acid H3BO3 Sprdg Disposable wooden Tongue depressors areBoric Acid (H3BO3) is a high purity white crystalline powder suitable for agricultural, hydroponic and technical applications. With over 99. 9 percent purity, it dissolves cleanly in water and is commonly used as a boron source in nutrient programs and industrial processes. Features: 99. 9 percent pure orthoboric acid (H3BO3) Water soluble for soil, foliar and hydroponic use Fine white crystalline powder for accurate measuring Suitable for