Specially-designed to suit a professional’s needs. 

Made of glass, for max reliability.

Supplied with 15 ml Drop Checker Solution and Suction Cup

No mixing nor preparation required.

This is everything that you need to start monitoring CO2 levels in your aquarium.

Drop Checker is an original glassware product, designed to indicate the CO2 amount diluted within the aquarium water with color change of the pH reagent inside, in order to understand the proper amount of CO2 supply.

Drop Checker Size:

• Outside diameter : 3 cm
• Height: 5.5 cm

Freshness & Storage

Every batch we dispatch carries a minimum of 6 months’ remaining shelf life. Store this product in a cool, dry place away from direct sunlight, with the cap or inner foil closed tightly after each use.

Returns & Replacement

Returns are accepted within 7 days of delivery, provided the item is unused and in its original packaging. Manufacturer-sealed items cannot be returned once the seal is broken, and sale-priced items are not refundable.

If your item arrives defective or damaged, message us on WhatsApp with your order number — or email us, if you would rather — and we will replace it. Approved replacements are delivered within 3 to 5 business days. Transit damage is covered by insurance on every shipment. If tracking shows delivered but nothing reached you, tell us within 72 hours, which is the reporting window Indian couriers allow. Damage caused during installation or use is not covered; replacement spares for such cases are chargeable.

Full terms are on our Cancellation & Returns page.