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Lid and weir outlet included
KH is also vital for biological filtration as it is constantly being consumed by filter bacteria
nitrate selective
Repeat after 24 hours for a maximum of 4 days
Large Sump Bottom Drain Size:110mm Lid and weir outlet includedThe large sump bottom drain is ideal for koi keepers who like to have a silt free pond with a minimum of pipework showing. We suggest using solvent glue should be used to bond pipe and fittings together.
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