Stain Drop Stain Removal Verification KitThe Stain Drop Stain Removal Verification Kit is designed to help pool owners accurately identify the type of stain in their pool, ensuring they select the right treatment from the start. Misdiagnosing a stain can lead to wasted time and money on ineffective products. This easy to use kit eliminates the guesswork, allowing you to determine the correct stain remover before making a purchasesaving you both effort and expense.