1 Plant in a 2x2 - White Widow RQS

Silicate is in grams - 4g/10L Last week mix 28/06 - did not water :( 29/06 - fertigated with 310ml, 125ml runoff EC 1.1 30/06 - fertigated with 200ml, 130ml runoff EC 1.0; Turned up the light to 470 ppfd 01/07 - fertigated with 250ml, 100ml runoff EC 1.0 02/07 - fertigated with 200ml, 140ml runoff EC 1.4 (huge spike in runoff EC); Measured the Mix EC and it spiked to 1.4/1.5. pH also raised. New Mix (03/07)- Same as the previous week. 2L tap water-0.8g Si - 3ml CalMag - 2.4ml Micro - 3.6ml Grow - 1.2ml Bloom - Check EC (1.6) - Dilute (+0.75L tap water) - EC (1.3) - Adjust pH (0.6g pH-) - Final pH (5.5 to 6.0) 03/07 - fertigated with 250ml, 150ml runoff EC 1.5; Turned up the light to 580 ppfd 04/07 - fertigated with 250ml, 100ml runoff EC 1.1(?)