You should do an AFP test. Mix your perlite accordingly to get proper 35-40% AFP. With the larger perlite you may only need 30-40% perlite, a 5 min AFP test would let you know. In the future consider adopting d9s 2.5qt buckets on 27 gallon tub for small plants. Plants will turn around when you dial in the "nutrient rich fog" that makes the ppk so special.