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adjustable for tanks between 23cm and 60cm wide
Every 2 or 3 days simply sprinkle enough food onto the culture medium to last the springtails for 12 hours
The added limestone adds calcium if ingested
Many low cost carbon products on the market place are washed in phosphoric acid as a final stage of their preparation and can release high levels of Phosphate into the water
Rear housing
Aquarium Air Pump Q21 AP Series _Pond Pumps Fountain Pumps adjustable for tanks between 23cmAP Series Air Pump Q21 Product features: 1. Use double casing, have quiet tone effect. 2. Use potentiometer to adjust input power, easy handle. 3. Use AC motor, special purposed synthetic rubber subassembly, high pressure, max output, constant parameters. 4. Professional design, rational construction, nice shape. ABS housing, high impact, long service life. Caution: 1. Do not connect to any voltage other than shown on the pump. 2. Do not oil at any