Product Size: 21.5 x 17.5 x 7cm / 8.5 * 6.9 * 2.8inch Instructions:
Connect the bubble stone to the ventilation hole and place it in the body of water that needs oxygenation. The solar cell faces the sunlight, and there is no obstruction between the solar cell and the sunlight. Press the POWER switch and the oxygen pump will start to work.
This product is an electronic product. The oxygen increasing part of the device cannot be placed in water and the bypass hole cannot be blocked.
This product is a solar energy product. The speed of charging is related to the intensity of sunlight. Regular cleaning of dirt on the solar cell can improve charging efficiency.
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Overall rating out of 1 customer review
21 August 2020
satisfied but not completely, one of the two stones does not bubble properly and I do not understand why it looks like one is taking all the air and the other not enough? but overall I am satisfied with the product, since its very easy installation the fish seem calmer probably because of the oxygen produced.