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WEAVERBIRD CO2 Drop Glass Checker Aquarium Fish Tank Carbon Dioxide PH Checker Tester Monitor Cylinder Concentration Detector
✅ In stock
F
Grade
Analysis Confidence
100%
Price verified Sep 28, 2026 8:19 AM · Prices & availability subject to change
Is This a Good Price on Amazon?
💤 Not a Deal- 💤Verdict: Not a Deal. Price is at or above historical norms. Best to wait for a sale.
- 💰The current price is slightly above the going rate for this product — worth watching for a drop.
- 🏷️The retail sticker price has been slashed by 94% — a steep markdown from the official listing.
- 📉It has been quite a while since a more competitive price was available, lending today's offer solid comparative value.
- ➡️Pricing has held fairly steady, with no strong push in either direction.
How We Scored This Deal
Price Competitiveness
0/28
Recent Value
0/22
Market Standing
0/20
Deal Strength
0/20
Momentum
4/10
📝 Product Overview
🏪 Sold by
WEAVERBIRD Homeware
📦 Fulfillment
Fulfilled by Amazon
🚚 Shipping
Free Shipping
Product Details
✓Stable and Quality Guaranteed: Made of high quality glass, ensure test result stable, with suction cup design, simple attach it on the wall of your fish tank.
✓Size: The glass drop checker is about 4.5 cm/1.77" in height, monitor to be installed below the water surface about 10cm, it is recommended not to install too far from the refiner.
✓Apply to: Used to test and monitor the concentrate of the aquarium water plant fish tank, and it suitable for fish tank, aquarium, especially aquatic plants, tropical fish to watch and cultivate for fish tank.
✓Easy to install and use: Make sure your test kit is clean. Drop 5 drops of CO2 indicator(not include) into the glass checker and use straw to fill the tank water with the test solution area to 1/2. Then turn the opening facing of drop checker down. Use a sucker to attach it to the side of your tank and wait for up to 2 hours.
✓Package includes:1 x Glass checker (C02 indicator reagent not included), note: The color show :Blue - insufficient Co2,Green - sufficient Co2,Yellow - excess CO2.
⚙️ Specifications
Brand
WEAVERBIRD
Item Weight
0.02 kg
Item Form
Device
Manufacturer
WEAVERBIRD
UPC
619191073870
ASIN
B0836X1DN2
Customer Reviews
4.5
Date First Available
December 27, 2019
Item Package Dimensions L x W x H
2.7 x 1.5 x 1.2 inches
Brand Name
WEAVERBIRD
Target Audience Keyword
fish