Hydroponic experts and some hobby pot growers claim that oxygen (DO) is vitally important in RDWC pot grows. Most hobby growers and water chiller salesmen say that big air pumps, plenty air and cold res water (<70F) will absolutely insured plenty oxygen (DO), their proof is a copy of a DO Chart prediction.
An O2 concentrator totally eliminates noisy air pumps, water chillers and that constant worry about low DO, root suffocation, root rot and fungal infestations.
A reconditioned Oxygen Concentrator. The actual res water DO test results are really impressive… DO Saturation 120% - res water temp 82F.
I Googled “used medical oxygen concentrators for sale” and found many refurbished brand name oxygen concentrator with a 1 year warranty cost $200 - $300. An O2 concentrator cost is negotiable on E-bay, bidding starts around $35.00.
Many patients with advanced lung and heart diseases own oxygen concentrator and thousands of these patients die every day. Their families sell this O2 equipment ASAP after the funeral – try an ad in the Green Sheet or news paper, “want to buy used oxygen concentrator” You will find this O2 equipment to be inexpensive and the price is always negotiable because the family wants to get rid of this O2 equipment now that the patient is gone… < $50.00.
An O2 concentrator totally eliminates noisy air pumps, water chillers and that constant worry about low DO, root suffocation, root rot and fungal infestations.
A reconditioned Oxygen Concentrator. The actual res water DO test results are really impressive… DO Saturation 120% - res water temp 82F.
I Googled “used medical oxygen concentrators for sale” and found many refurbished brand name oxygen concentrator with a 1 year warranty cost $200 - $300. An O2 concentrator cost is negotiable on E-bay, bidding starts around $35.00.
Many patients with advanced lung and heart diseases own oxygen concentrator and thousands of these patients die every day. Their families sell this O2 equipment ASAP after the funeral – try an ad in the Green Sheet or news paper, “want to buy used oxygen concentrator” You will find this O2 equipment to be inexpensive and the price is always negotiable because the family wants to get rid of this O2 equipment now that the patient is gone… < $50.00.