Don't flush every time. Save your wee in milk cartons, water down and use as a high nitrate fertilizer. Double save on fertilizer and water.

不要每次上完厕所都冲水。在牛奶盒里小便，加水稀释，然后可以用作高硝酸盐含量的肥料。又省水，又省肥料。

youdao

Don't flush every time. Save your wee in milk cartons, water down and use as a high nitrate fertilizer. Double save on fertilizer and water.

不要每次上完厕所都冲水。在牛奶盒里小便，加水稀释，然后可以用作高硝酸盐含量的肥料。又省水，又省肥料。

youdao