Universal indicator (pH) strips (book of 20 strips)
£1.50
Availability: 20 in stock (can be backordered)
Description
pH strips are useful to measure the acid/alkaline levels in your tap water, in your dyebaths, your indigo/woad vat and when modifying colours in natural dyeing.
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Price range: £3.50 through £8.50 This product has multiple variants. The options may be chosen on the product page