Domestic 1kg Oyster Shells

Domestic Oyster Shells 500g x 2 (1kg)

High-temperature heat-treated oyster shells
Releases minerals and calcium.
Absorbs harmful chlorine and ammonia when setting up or changing aquarium water, and maintains pH.
Decomposes components that cause cloudy water and odor in aquarium water, purifying it powerfully.

● How to use
?Rinse lightly before use.
?Place the product in a filter media bag or similar and set it in an external or top filter.
(It is effective when set in an area with water flow in a top filter ◎)
?Use approximately 300g for a 60cm aquarium.
?After about 3 months, dirt will adhere to the surface of the oyster shells, and their filtering effect will diminish.
?Replace when you feel the effect has decreased.

● We also accept requests for bulk purchases or large quantities. Please specify the desired quantity in the comments. (Price may vary due to shipping costs.)