so i’m NOT getting pea puffers anytime quickly. however i believe as soon as my mollies all move (hopefully of previous age) ive thought-about entering into it. however my solely concern is feeding and gravel. is sand actually wanted in your opinion?

so i’m NOT getting pea puffers anytime quickly. however i believe as soon as my mollies all move (hopefully of previous age) ive thought-about entering into it. however my solely concern is feeding and gravel. is sand actually wanted in your opinion?