11/08/2026Published by on 11/08/2026Categories Gold Silver Platinum Jewelry Testing Kit 6 JSP Solutions 10K 14K 18K 22K 24K Sil🧼 Neutralizer Solution – Clean your stone and safely neutralize solutions after testing. 🔍 Test Bars Included – GTE 5 grain fine silver & 5g gold-plated bars for practicing before testing real pieces.