At last a bigger Bioforce! Loads of our customers love the Bioforce but had ponds that were larger. Hozelock used to supply the Bioforce 18000 which was two unit in tandem this was discontinued by them despite being one of our bestsellers. Now the Pondkeeper Bioforce 24000 Special gives you the option of purchasing a more powerful set and saves you money on buying the units separately. The 'Pondkeeper Ecoclear 24000' supplies the powerful Hozelock Titan 15000 Pump.