JNW Direct Water Hardness Test Strips for Home Water - 150 Strips Kit | Includes 150 water hardness test strips for tap, well and softened water with fast results and an easy color chart.

★★★★★ 4.3 5,593 ratings #1 Best Seller

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Product details

ASIN	B07B31M49N
Marketplace	🇺🇸 US · USD
Category	Amazon
Best Sellers Rank	#3
Customer reviews	5,593 ratings · 4.3/5
Delivery	Fast Prime-eligible delivery
Returns	30-day free returns