I did the online chat last night. They told me they don't do retail. I asked for a sample. They said get it from a u.s. Reseller. Did not point me in...
Get some aquarium zoo med flora sun and uvl redsun bulbs for your t5. It will kick your hps's Ass. Have much higher par. 1800 umole/s at a few inches...
If the bone meal has not broken down. Its not providing anything to the plant. A guano tea will make nutes readily available for uptake. Shrimp meal...
Its the size of the bubble that makes the difference. Too large of air bubbles wil disrupt bacteria and fungi growth. Too small of bubbles will slice...