What are the good methods of hotel in addition to formaldehyde?

In addition to formaldehyde's first method is ventilation. In addition to formaldehyde's way is to discharge more harmful gases such as formaldehyde outdoors through air circulation. Although this in addition to formaldehyde method is simple and easy to operate, it usually takes three years or even longer to completely ventilate in addition to formaldehyde, which is not feasible for ordinary families.

In addition to formaldehyde's second method is to use formaldehyde scavenger or formaldehyde dissolving enzyme. In addition to formaldehyde formaldehyde cleaner, which reduces the toxicity of formaldehyde or converts it into non-toxic substances by chemical methods; In addition to formaldehyde, there is a formaldehyde-dissolving enzyme, which can remove harmful gases by permeating into the board material, but it still cannot be completely removed.