XeroTolerance
If You Ain't Blasting, You Ain't Lasting!
Test strips are not accurate, get your mate to give you the cash he owes you and get a liquid test kit, you should be able to pick up an API master kit for 25 pounds delivered. Java moss is great, but wait till the cycle is finished as ammonia + light = algae.
I'm almost at the start of week 3 too (of my project, trying to keep details info on a fish-less cycle), it's going rather slow here too..
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