Buyfun  Buyfun-2256 Other pH Pen sku-18328806564

Buyfun  Buyfun-2256, sku-18328806564, is an Other-color pH pen and probe care kit in PH and Thermometers. UPC 138871750493. The Bluelab pH Pen is waterproof and floats in solution. It has a backlit LCD, automatic temperature compensation, a glass probe and a double-junction electrode designed to resist contamination longer than standard probes.

It measures acidic or alkaline nutrient solutions and gives a calibration reminder, low-battery warning and automatic shutoff. The source describes its readings as more accurate and reliable than comparable pens, strips or drops. A AAA battery is included. Readings in tap, reverse osmosis or distilled water may be slow or unstable when dissolved salts are insufficient.

The care kit contains probe instructions, 18 ml single-use solution sachets, two each for pH 7.0, pH 4.0 and KCl, three mixing cups, probe cleaner and a toothbrush for cleaning the probe. The listing also mentions storage solution. It is described for hydroponics and indoor plants, growing tents, pools, drinking water, aquariums, fish tanks and brewing.