You can get 6-in-1 PH Water Quality Pen for 30.99 USD with coupon (from Banggood). Go down and check coupons out. Remember to check price history if it is available. What is the best price?
Latest coupon and price update (UTC):
Banggood (30.99 USD)
Banggood warehouse is located in China. I couldn’t find any coupon for this product on latest product update. Well, is it a good price anyway? I don’t really know if this price is reasonable, coz there’s no price history in my DB.
Link: Banggood product page
Price: 30.99 USD
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k
Old coupons (from the oldest to the newest): BG77cbd1, BGGines, Tabby20
(these coupons are old, so probably won’t work)
Aliexpress
There’re some similar items on Aliexpress in my database. There may be some other items though.
Here are coupons that you can use.
Price history and price alert
Price history is not available for this item (not enough database records)! The lowest price was 24.79 USD though.
You can set price alert (for Banggood).