Grow start date: 1/9/2017 - planted Ice in 1" RW
1/12/17 - Ice seed sprouted
1/14/17 - placed Ice in DWC; planted WWxBB in 1" RW cube
1/19/17 - WWxBB seed sprouted
1/20/17 - WWxBB placed in dwc
Strains: Nirvana Ice; White Widow x Big Bud hybrid (can’t remember the seed bank at the moment)
Space: 4x2x7 tent inside indoor closet
**Method:**DWC/ scrog- top feeding by hand w/ H2O from res until roots emerge from net pot
Light cycle: 18/6
Lighting: 600W Viparspectra LED, 19" away from seedlings
Reservoir: two 5-gallon buckets w/ 6" net pot lids (Lowe’s blue buckets)
H2O Aeration: 1- 9" RedFrog aerator + 1-2" air stone per bucket
Fans: Exhaust - Apollo 6" 440 CFM Inline Fan w/ 6" Carbon Filter (placed outside of tent for more space); Intake - passive vent at bottom of tent
**Air Circulation:**1- 6" clip fan (non-oscillating) & 1 - Honeywell Turbo Force Air circulator Fan
Nutrients: GH Flora Trio, RAW solubles OminA, Ful Up and Sea Kelp; and HydroGuard
Reservoir PH: 5.5-6.5 (struggling to keep within 5.5-6.5 range)
Tent Temp & Humidity: 71-82F / 52-69%
Reservoir Temp: 73-75F w/o frozen bottles and 61-69F w/frozen bottles
Reservoir H2O change: every 7-10 days
Water: pH adjusted DI and sometimes tap
What’s up guys! This is my first post here after many months of silent browsing on the forum. I must say I have found lots of helpful and insightful information here. I can’t wait to get more experience under my belt like many of you. Im posting because I am having an issue with a recurring slime contamination in my dwc reservoir that i can’t seem to get a handle on. Like i said it is my first grow so I am learning while doing most of the time. However I have read multiple posts online on how to deal with this in setups like mine and cannot seem to solve my issue. I have tried reducing reservoir temperature, adding preventive i.e hydroguard, using quality water, add more aeration but NOTHING seems to help. I thoroughly disinfected my setup for the second time this past weekend to no avail. I used bleached but made sure to rinse it completely out of both buckets and all my other equipment.
I’ve been careful to keep net pot lids on buckets when adjusting pH etc. but today I notice the gunky slime in the bottom of my net pot. My seedlings are just babies they are going on 2 and 3 weeks from seed. Because of all of the issues Ive had with pH and temp fluctuations from day 1, their root systems are weak and underdeveloped. They still have yet to grow out of the net pots into the nutrient water!!
Tonight I am going to wrap my blue Lowe’s 5-gal buckets with Reflectix insulation and do another reservoir water change. Hopefully this will fix it once and for all. After cleaning everything, I will wrap buckets, adjust water to 5.5pH, and add 30mL of 3% H2O2. Will run for about a day and if things look ok will add nutrients back. I may not add any nutrients at all, at least until i see more root formation. So far plants have only received 1/8th of recommended nute dosage. Does my current plan of action make sense? Is there something better that I should do to fix this? I have been using frozen plastic 1 liter juice bottles to help with res temperatures. I wish I had a better way to do but this is what I have for now. I know I could buy a chiller but don’t have the space for that, not too mention its expensive for a small grow like mine. Any helpful suggestions or comments are appreciated, please do share your thoughts.