SL Aqua Hollow balls 1L


£ 13.49

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Super high speed bacteria builder.

Hollow center for nitrifying bacteria growth


Hollow center can accelerates the diffusion rate of nitrifying bacteria .Greatly enhanced the filtration efficiency. There are abundant micro pores inside the material to adsorb the heavy metal ions and other harmful substance. It also provides endless growing space for bacteria.Neutral pH, apply to fresh and marine water.

Use it with Ceramic Ball can get even better result.


Rinse the media thoroughly with water before using to prevent cloudy.

Amount: 5% of water volume.


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