Search the Community
Showing results for tags 'nitrate'.
I have used these tester strips for years, as the drop sets are way too faffy for me, I tried the drops once and then binned the set???? I can't guarantee how accurate they are. On the linked website they do free 'worldwide' delivery from the UK! http://www.viresco-uk.com/onlineshop/asppages/defaultsearch.asp?product=kits