I have a 55gal tank with a new batch of snails, crabs, starsX4, 1 shrimp, 1 damsel and 1 gobie. I've been set up for 6-8 weeks with ammonia 0 and a bump in nitrates due to LR added. I have decreased feeding to once a day (before the inverts added) due to a modest amount of red slime alage. I...