Posted: 26/03/2017 at 21:48
When making a wildlife pond it is essential to have at least one part of it with a gentle, sloping side so wildlife can access and, more importantly, escape. Even frogs and toads can drown if they can't get out. Pre-formed ponds usually lack this feature but you can get round it by adding stones they can climb up.
You need to excavate a hole shaped like your pond and a bit deeper and then line it with ordinary builders' sand and back fill and generally fiddle with that until your pond form sits level. Once happy, start filling with water and then leave it for a fortnight so any chemicals in the tap water dissipate.
You can then add your chosen plants making sure you have a mix of broad leved and spiky leaved plants as these will suit and attract a wider variety of insects. If you can, beg a jar of water form an established pond so you get some of the microbes that keep it balanced.
Make sure you edge your pond liner with slabs or stones that hide the liner form direct sun a,d also make sure there is a pile of stones on one of the marginal shelves that can acta s a beach to give escape routes to any hedgehogs that fall in and amphibians that want a spell on dry land.
Do not add fish if you want to attract newts, frogs and toads as they eat the eggs.