they are always ready to check out new products and see if they can order them.
Top of the line booster! Works great!
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HI70004G is a high quality pH 4.01 calibration buffer designed with hydroponics, aquaponics, and greenhouses in mind.
Single-use sachets are highly portable, with a small footprint and a lightweight design.
They are the perfect accessory for your on-the-go testing, fitting easily into your pocket or carrying case.