In full-fledged Nature Aquarium, we chose appropriate liquid fertilizer from 5 kinds and provide them, depending upon types of aquatic plants and its condition. But in case of enjoying aquatic plant layouts in DOOA SYSTEM AQUA 30 or a small size aquarium, you may prefer to provide nutrients without hassle. SUIKEI LIQUID is a liquid fertilizer, composed with nitrogen, potassium, and minerals which are indispensable for healthy growth of aquatic plants. Its daily dosage and appropriate lighting equipment, and CO2 supply will keep aquatic plants nice and healthy. Phosphate, which may cause algae outbreak, is always provided from fish food and fish excrement. So non-use of phosphate is a key of keeping aquatic plant layout in good condition.
 
 
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https://www.adana.co.jp/en/aquajournal/makeandkeep_010/