Frequently Asked Questions - pH Paper pH Strips
pH Paper Rolls. 'Standard' 1/4 inch wide x 15 feet long. 'Mikro Size' 5/32 inch wide x 15 feet long (Packed two rolls per dispenser) 'Jumbo' 1/2 inch x 50 feet long. 'Dual Roll Jumbo' 5/32 inch wide x 50 feet long (Packed two rolls per dispenser) pH Paper Strips.
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