Hi all, I'm new to this group.

I recently moved and started a wildlife pond. I "borrowed" some
frogspawn, the tadpoles hatched but it looks like none of them are
growing legs. My previous wildlife pond just down the road in the same
locality (Southampton UK) had plenty of tadpoles turning into frogs and
newts breeding successfully.

This pond is new. I dug it in October last year, about 3ft deep and 6
feet across (100 gallons or so). I filled it with about half rainwater
from a butt and half tapwater with conditioner which had a few months to
condition before adding the spawn in Feb.

My wife thinks they may be just turning into frogs and sneaking off
before I see them, but I find this unlikely as I check the pond nearly
every day and in the past I've always seen the little fellows getting
legs gradually - it takes a few weeks so I'd see them.

I heard somewhere that there is something (or maybe lack of something)
that can cause tadpoles to not mature, can anyone help?

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