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Forum: Fertilizers and Water Parameters   04-15-2016, 03:27 AM
Replies: 17
Views: 832
Posted By rezco
120 gallon setup with 50lb CO2 tank - lasts a...

120 gallon setup with 50lb CO2 tank - lasts a full year.
Forum: Fertilizers and Water Parameters   04-15-2016, 03:25 AM
Replies: 11
Views: 642
Posted By rezco
I have seen this on ludwigia when growth stalls....

I have seen this on ludwigia when growth stalls. Double T5s are pretty strong and could easily have lead to macros depletion. You did not say how much ferts you were using, but you can try to add...
Forum: Fertilizers and Water Parameters   04-15-2016, 03:18 AM
Replies: 13
Views: 476
Posted By rezco
I have been checking my nitrates and phosphate...

I have been checking my nitrates and phosphate with test kits and find its the best way to maintain consistent macro levels. Having a test kit will also help you to find the best fertilization ratios...
Forum: Fertilizers and Water Parameters   12-08-2015, 04:40 AM
Replies: 3
Views: 290
Posted By rezco
Invest in a drop checker...bpm reading does not...

Invest in a drop checker...bpm reading does not tell you how much CO2 is in the water. With CO2 and the Satellite Plus light you could start to deplete the nitrogen and potassium in about 2 weeks if...
Forum: Fertilizers and Water Parameters   12-08-2015, 04:32 AM
Replies: 2
Views: 308
Posted By rezco
Ditto on the urea. Its completely unneccessary...

Ditto on the urea. Its completely unneccessary IMHO. Other than that the chemicals you list are compatible with each other (yes, I am a chemist).

I currently use potassium carbonate as a K...
Forum: Fertilizers and Water Parameters   12-08-2015, 04:22 AM
Replies: 11
Views: 605
Posted By rezco
I prefer to test my water for Nitrates,...

I prefer to test my water for Nitrates, phosphate, KH, GH and pH. I then modify the dosing schedule based on results. Anything else you are just shooting in the dark.
Forum: Plants   07-25-2015, 11:34 PM
Replies: 6
Views: 403
Posted By rezco
You have not mentioned potassium, but this looks...

You have not mentioned potassium, but this looks like phosphate deficiency.
Forum: Lighting   07-25-2015, 11:32 PM
Replies: 9
Views: 683
Posted By rezco
Varying bulbs alone is not the answer to fighting...

Varying bulbs alone is not the answer to fighting algae, you need to make sure there is sufficient CO2 + NPK dosing to provide enough growth and prevent algae. Having two out of three (ie CO2+light...
Forum: Tank Journals   07-24-2015, 12:43 AM
Replies: 80
Views: 8,533
Posted By rezco
add NPK now...

17 days in with strong light and some CO2....very likely you have a nutrient deficiency at this point. Grab a bottle on any balanced plant fertilizer from your LFS and add right away.

With low...
Forum: Fertilizers and Water Parameters   07-22-2015, 04:27 AM
Replies: 9
Views: 476
Posted By rezco
Are you able to install a fixed drain and a water...

Are you able to install a fixed drain and a water line for auto changes - if not then you are stuck using buckets unfortunately. With the lines installed, its possible to put together an auto changer...
Forum: Lighting   07-22-2015, 04:22 AM
Replies: 15
Views: 722
Posted By rezco
I would stick with 6500K for now,going to a more...

I would stick with 6500K for now,going to a more blue spectrum is not helpful (ie 10 or 12K). BTW you can buy 6500K 48" T5HO lights from hydroponic suppliers for about $10.

If you start with a 4X...
Forum: Fertilizers and Water Parameters   07-18-2015, 08:38 PM
Replies: 6
Views: 586
Posted By rezco
I was able to get potassium carbonate from a...

I was able to get potassium carbonate from a local clay-pottery arts studio, very cheap close to five lbs for $10. I use 10x more potassium (on a weight basis) in my tanks than nitrate, as it seems...
Forum: Equipment   05-19-2015, 07:48 PM
Replies: 10
Views: 709
Posted By rezco
Most of the time you want a flow that is so slow...

Most of the time you want a flow that is so slow that needle valves are useless. I have to crank mine almost closed and use a solenoid/timer to regulate CO2 levels.
Forum: General Planted Tank Discussion   03-11-2015, 06:32 AM
Replies: 31
Views: 1,500
Posted By rezco
Are you still adding acetate? A little bit...

Are you still adding acetate? A little bit periodically will provide the essential carbon the bacteria need to grow. If you get started with some stem plants they will suck up the nitrates easily...
Forum: Fertilizers and Water Parameters   03-07-2015, 06:46 PM
Replies: 15
Views: 1,413
Posted By rezco
So this obviously sounds like a planted...

So this obviously sounds like a planted tank..question you should be asking is why aren't your plants absorbing all that nitrate? I would wager your macros are deficient: check phosphate and dose if...
Forum: General Planted Tank Discussion   03-05-2015, 08:35 PM
Replies: 31
Views: 1,500
Posted By rezco
I would not do any water changes because you are...

I would not do any water changes because you are depriving the bacteria of nitrogen nutrients. The goal is to add the other missing nutrients so the bacteria are fully satisfied.

Did some rough...
Forum: General Planted Tank Discussion   03-05-2015, 02:26 AM
Replies: 31
Views: 1,500
Posted By rezco
You have hit the challenging stage of tank...

You have hit the challenging stage of tank cycling. This happens to almost everybody and requires some patience. Conversion of ammonia to nitrite is carried out by one species of bacteria, the...
Forum: General Planted Tank Discussion   03-04-2015, 04:09 AM
Replies: 31
Views: 1,500
Posted By rezco
Need a source of carbon

Your test result still shows high ammonia levels-it should be down to zero (not detectable, yellow) level.

Denitrifying bacteria need a source of carbon to effectively metabolize nitrogen. The...
Forum: Plants   02-28-2015, 01:32 AM
Replies: 17
Views: 1,266
Posted By rezco
It does kill BBA - it will not melt but turn a...

It does kill BBA - it will not melt but turn a gray color within a few days after the treatment. The temperature is quite important, if you use warm or room temp water with the treatment the reaction...
Forum: Plants   02-27-2015, 03:28 AM
Replies: 17
Views: 1,266
Posted By rezco
I would suggest to DIP: spores of algae and snail...

I would suggest to DIP: spores of algae and snail eggs can survive a quarantine.

I use bleach: 1 part clorox to 20 parts cold water - dip for 120 seconds and then transfer to a bucket of fresh...
Forum: Equipment   02-27-2015, 01:51 AM
Replies: 20
Views: 1,670
Posted By rezco
I have a DIY of a reactor I made a year ago. All...

I have a DIY of a reactor I made a year ago. All the parts are from the local hardware store except for the clear PVC which was purchased online. Its self-regulating with regard to CO2 consumption...
Forum: General Planted Tank Discussion   09-10-2014, 08:59 PM
Replies: 4
Views: 538
Posted By rezco
Nitrates may not be declining as fast as you...

Nitrates may not be declining as fast as you expect if other nutrients are limiting (light, Co2 and potassium). Bumping those up will increase plant metabolism and reduce your nitrate and phosphate...
Forum: General Planted Tank Discussion   09-03-2014, 02:20 AM
Replies: 14
Views: 757
Posted By rezco
I think the key factor is that you want a very...

I think the key factor is that you want a very low bubble count ( 1 per 10sec is veeery low. Normally most people measure in bubbles per second - generally about 1-3 bps.)

You need a higher...
Forum: Plants   08-17-2014, 02:56 AM
Replies: 21
Views: 1,517
Posted By rezco
How deep is the tank and how long is the light...

How deep is the tank and how long is the light on? Still may not get be getting enough light.
Forum: Fertilizers and Water Parameters   08-15-2014, 05:32 PM
Replies: 6
Views: 474
Posted By rezco
Its always a good idea to start a new tank in a...

Its always a good idea to start a new tank in a slow and controlled manner. Trying to do too many things at the beginning is unneccessary. There is no harm in holding off on EI dosing for a few weeks...
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