* This item will be sold outlet price to change the package.. The delivery method of this product with the lowest shipping fee will be non -standard -size mail. Delivery of non -standard -size mail is usually required for 2-5 days. If you are in a hurry, please select a courier service. Non -standard -size mail will be a tracking number, no damage compensation, no cash on delivery, no time specification (post posting). Many of the causes of water quality deterioration are related to rot (oxidized) bad bacteria.. This product is a special method of bacteria such as lactic acid bacteria that are familiar with yogurt, yeast bacteria, photogenous bacteria, wiring bacteria, and cellular bacteria.. The power of the composite enzymes produced by these bacteria repels harmful bad bacteria, proliferates good bacteria, suppresses water oxidation, decomposes fish dung, etc., and suppresses odor.. As the good condition of the water lasts, it maintains the health of the living body, reduces the number of water changes, making it easier to breed.. Applicable aquarium: Freshwater seawater both content: 150ml used: 10 ml of water (9 to 10 cups in 60cm in aquarium)

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