Amazon
API GH & KH Freshwater Aquarium Test Kit, 2.5 oz
USD 11.98
Was USD 14.99
You save USD 3.01
Select GH & KH, 2.5 oz, and One-time purchase. Verify the delivery date for your address.
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Tankstash deal score
Total: 44/100.
- Listed discount: 20.08% (14/70 points).
- Price-check record: (20/20 points).
- Selection context: provided (10/10 points).
This score uses the stored listed discount, price-check record, and Tankstash selection context.
It does not use market prices, price history, product quality, availability, clicks, or sales.
Why we picked this deal
The $11.98 price is about 18% below the 90-day Amazon average of $14.68 in Keepa on September 19, 2026. The 180-day average is $11.97. This is a recent discount, not a long-term low.
Price checked
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Product description
API GH & KH test kit, model 58, for freshwater aquariums. Includes two bottles of test solution and two capped test tubes. Select the GH & KH style, 2.5 oz size. The one-time price is $11.98. Amazon shows a Typical price of $14.99. Sold and shipped by Amazon.com. Available to ship in 1-2 days. Free delivery with Prime or eligible Amazon-shipped orders over $35. No coupon or subscription is required.