Principle of Aerasi Water

Principle of Aerasi Water.
Principal [of] aerasi [at] fishpond [is] to
1. extending surface areal which [is] contact with air
2. Mix [of] water with other materials or air so that water which [is] have low oxygen [to] [of] contact with air or oxygen
3. Mixing water which [is] have high oxygen [to] with water which [is] have low oxygen [to]
4. Water Sirkulasi
5. Air as source of highest oxygen [in] nature.

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