Boyu YT-25000 Gardening Bio Filter 6,579gl/PH ajo until such time as the

until such time as the zooxanthellae have become adjusted to the change in lighting or re-established in the coral tissue

however this is not always sufficient to meet the nitrogen requirements posed by plants

Phosphate & Nitrate free

automatic timing feeding

Boyu YT-25000 Gardening Bio Filter 6,579gl/PH ajo until such time as thePRODUCT DESCRIPTION The Boyu YT 25000 Pond Bio Filter is a highly effective complete biological box filtration system, perfect for large sized garden ponds up to 12000L volume. Supplied with a 4600L H pond pump and connective hosing, the YT 25000 is ready to install. Each YT 25000 is fitted with an 18w UV clarifying lamp to help rid water of harmful bacteria, ensuring a crystal clear pond. The multi layer filtration layout allows water to biologically