Just set up our nappy wormery and need advice on how to keep an eye on the pH?Any tips on econappy wormeries?

Simple tips would be great, thanks, as we are novices in this.Just set up our nappy wormery and need advice on how to keep an eye on the pH?Any tips on econappy wormeries?
worms:


http://kolibrizas.byethost7.com/parasite鈥?/a>


ph:


http://kolibrizas.byethost7.com/parasite鈥?/a>