Pool Repair Equipment Water blaster (5000 psi) hire from Kennards. Water blaster (5000 psi) hire from Kennards. Submersible Pump (hire or buy $250.00 ) Will empty a pool in about 8 – 10 hours 50,000 Litres. Orbital Sander such as AEG from Bunnings For grinding surfaces use a Zec Disc from Flex O vit. Available from Bunnings.