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Who is aerating their res?

Who is aerating their res?


  • Total voters
    77

shaunmulok

Don't drink and drive home, Smoke dope and fly hom
ICMag Donor
Veteran
i used to but i was using floranova and molasses and it used to go all funky and ferment so i stopped
but i'm not using them anymore and i'm considering it again
 

p1ninja

Member
Absolutely my friend! Would not go without it! With watering twice daily, my coco stays pretty moist, the additional oxygen that the aerating provides is priceless...

I know people say, let it dry in between feedings, but dry coco makes for significantly less nutrient absorbtion.

:2cents:,
:joint:
 

jocat

Active member
re

re

did for awhile but it only made my PH go crazy...i don't do anything except clean & refill, mix my H&G nutes and forgetaboutit for a week...werks killa..
 
Ive heard that airstones are good for adding oxygen to the water. Whenever I use one though my PH shoots up overnight and I always end up adding a ton of PH down to keep it around 6. I just let it go without one now and it drifts up a lot slower.
 

PoopyTeaBags

State Liscensed Care Giver/Patient, Assistant Trai
Veteran
i cant believe people are growing without aerating there rez... Very strang IMHO
 

wspcolorado

Member
Stoney, I notice my ph jumps from time to time when moving the reader around in the water especially near the airstone. Not sure what to make of this..

However its minor .1 or so, maybe its something being brought to the surface. I just make a batch each time I go so I dont run the airstone until I make the res then I wheel it over and feed
 

PoopyTeaBags

State Liscensed Care Giver/Patient, Assistant Trai
Veteran
I run a stone 24/7 and my ph is solid drifts alittle after 4-5 days but only a couple points.... my guess is your ph jump because you nutes are not fully mixed.... so putting in the stone mixes your nutes and your water up and changed your ph.... wait a bit let you ph settle then ph down your mix to the ph you want... maybe my nutes or whatever but big ph drifts can be because of fungi and or algae.... good luck
 

daihashi

Member
Do you guys have any issues with your PH rising? Do you have your airstone on 24/7 or just before you feed?

I aerate 24/7.. after the PH stabilizes.. which takes 10 minutes at most; I can hold it within 1 tenth of a point over a week period.

The reason why you see PH fluxuations is because you're displacing CO2 build up in the water. I hand water but I keep 2 5 gallon buckets filled with nute solution and aerated 24/7. I keep the lids on top of the buckets but not pressed down so it can still gas out. This prevents CO2 of the natural environment or tank/generator from landing on the water surface; in addition your bucket can outgas while taking in fresh air. I find this keeps my PH stable as can be.

I also use a pump to keep the nutrient solution churning so it's always well mixed. This gives me an even PH throughout the resevoir.
 
Ive only been using coco for about a month but I dont aerate the res but I might run a comparison too see if theres any benefit.
 

Wait...What?

Active member
Veteran
i hand water from the top with a beer cup. my 'res' is a pail with 2 gallons of mix in it. before i water, i scoop the nute mix out and pour it back in a few times. puts as much dissolved oxygen in it as bubbling but without the pump.

it doesn't have to be bubbling to be aerated. waterfalls work even better than bubbles.

the dissolved oxygen doesn't get into the water by the bubble going through the water in the bucket - it gets into the water when the bubble bursts on the surface. science - it works, bitches!
 

Lazyman

Overkill is under-rated.
Veteran
Yep, always have, always will. Each of my two 115g reservoirs has:

3 big airstones and roughly 55 liters per minute of air
4 800gph water pumps for trays
1 250gph pump for circulation
1 float valve for topoffs
Drain valve
Overflow valve (teed into drain line after shutoff valve)

Dry floors, an oxygenated and full reservoir and I'm a happy lazyman!
 

daihashi

Member
i hand water from the top with a beer cup. my 'res' is a pail with 2 gallons of mix in it. before i water, i scoop the nute mix out and pour it back in a few times. puts as much dissolved oxygen in it as bubbling but without the pump.

it doesn't have to be bubbling to be aerated. waterfalls work even better than bubbles.

the dissolved oxygen doesn't get into the water by the bubble going through the water in the bucket - it gets into the water when the bubble bursts on the surface. science - it works, bitches!

Indeed!!! Waterfalling is superior to bubbling for those with a recirculating system or for those who aren't lazy sob's like me :). And it's important that everyone understands that dissolved oxygen in the water occurs from surface agitation. In waterfall setups some dissolved oxygen is trapped on the way back down to the res as well.

For people who mix in gallon jugs; you're doing the exact same thing when you shake the entire jug just go get it mixed. Just make sure to fill the jug all the way so you have enough room/air to mix the water.

Good post Wait What.. you don't have to spend money to aerate your res :joint:
 
C

Carl Carlson

The rate of increase in pH as dissolved oxygen is added to the reservoir and vice versa is directly related to the alkalinity (buffering capacity) and temperature of the water.

There are many websites that attempt to explain alkalinity, but I think this is one of the best:

http://www.kywater.org/ww/ramp/rmalk.htm

Alkalinity refers to the capability of water to neutralize acid. This is really an expression of buffering capacity. A buffer is a solution to which an acid can be added without changing the concentration of available H+ ions (without changing the pH) appreciably. It essentially absorbs the excess H+ ions and protects the water body from fluctuations in pH. The presence of calcium carbonate or other compounds such as magnesium carbonate contribute carbonate ions to the buffering system. Alkalinity is often related to hardness because the main source of alkalinity is usually from carbonate rocks (limestone) which are mostly CaCO3. If CaCO3 actually accounts for most of the alkalinity, hardness in CaCO3 is equal to alkalinity. Since hard water contains metal carbonates (mostly CaCO3) it is high in alkalinity. Conversely, unless carbonate is associated with sodium or potassium which don't contribute to hardness, soft water usually has low alkalinity and little buffering capacity. So, generally, soft water is much more susceptible to fluctuations in pH from acid rains or acid contamination.

Methodology: Alkalinity is an electrometric measurement which is performed by the computer aided titrimeter (CAT) and the pH electrode. A potentiometric titration is taken to an end-point reading of pH 4.5. The amount of acid required to reach a pH of 4.5 is expressed in milliliters.

cont.

It's been known that dissolved oxygen levels have a significant positive correlation with carbonate alkalinity.

The amount of dissolved oxygen in the water is also correlated to the temperature.

oxygen.gif


(minimal acceptance level line is for fish, ignore it)

The devices that we use to aerate are limited in their ability to produce dissolved oxygen. A 2' waterfall is much better than a 1' waterfall and a pump with a venturi is supposed to be better than a waterfall. This is another chart from koi pond enthusiasts:

picture.php
 

B. Friendly

"IBIUBU" Sayeith the Dude
Veteran
I aerate my water for sure. It helps get rid of chlorine in your tank. Plus my bubbler works wonders for cloning so it must be good for roots?? Just a thought. But ya roots need air that's one of the big arguements for coco which i don't use. And some people sware by smartpots which also help get air to roots. I don't know the scientific answer but the common sense one says it is a good idea. We create soil to be more aerated. Sure water only holds so much air, migth as well maximize it. Even spouts for watering have been designed to get more air into the water.
 

B. Friendly

"IBIUBU" Sayeith the Dude
Veteran
that reminds me. Who uses their dehumidifier water for their res?? My dehumidifier sits on a chair and has a big garbage can where the water drips into. And holy shit when i pour it into my reservoir it is so aerated it hits the tank like how a water fall hits the ground, so airy and bubbly, this water rocks for aeration.
 

V1AAA

Member
good post carl

one thing to remember guy's, its better to add your ph down before you add nutes to the water, but if your ph is dropping, or raising then it could mean you havent mixed your reservoir enough.

try and find the right amount of ph down. if your res is of a certain size, and you always add the same amount of water/or nutes the amount of ph down you use will be the same.

another thing is if your ph is dropping fast this could be down to your temperature of your water, or how long it sits there for :dunno:

i like to put oxygen into my water, though with some strains it doesnt make a difference
 

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