Run ro water 250ppms trio grow 150ppms of calmag to total 400 ppms ph to,5.8, with 10 to 15 % run off
Don't worrie about your ph run off .
Do this every other day until they get bigger then everyday ,I switch off and on everyday ,then every other day ,so your roots can breath .
I start my clones and seeds in Fox farm soil,then just water,till the get root bound then transplant that plug into Cocos,works every time with no deficiencies.then start a light feeding with 15to 20 % runoff .