I use food grade dry kelp powder as base for my tea and spray
and I use Liquid Kelp & Fish (Kellogg Organic plus with molasses / Fish & kelp) for mixing in my feedings and heat / stress treatments
https://www.homedepot.com/p/Kellogg-Garden-Organics-32-oz-Organic-Fish-and-Kelp-Liquid-Fertilizer-3007/204701383