Hi,
1, 3 x Pllaty, 3 x neon, 3 x Guppy, 1 x plec
2, Yes I have and the pet shop passed all my water tests before I was allowed any fish
3. 20% each week as the pet shop said
4. I haven't , again as instructed
5, cleaned gravel with a gravel vacuum twice
The pet shop advised me what fish...