4 Hanna checkers. Calcium just opened yesterday used once.
alkalinity checker no reagent.
ph opened last week used 2-3 times.
lr nitrate used once
135$ shipped.prefer to sell at once due to shipping prices. Otherwise I can keep them as back ups.
alkalinity checker no reagent.
ph opened last week used 2-3 times.
lr nitrate used once
135$ shipped.prefer to sell at once due to shipping prices. Otherwise I can keep them as back ups.
