EI Dosing for 33 Gallon tank - The Planted Tank Forum
 
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post #1 of 4 (permalink) Old 01-28-2010, 11:14 AM Thread Starter
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EI Dosing for 33 Gallon tank

I have a 33 gallon tank with 56w (2 x 28w) of T5 lighting in the hood. The actual volume may be a bit lower with sand, bogwood inside etc.

The tank will have CO2 added, a nutrient rich substrate, quite a lot of plants and a fairly high stock of fish.

I am looking to use the EI method of dosing. And need some advice.

My tap water has a PH of 8.2, KH of 12-14, GH 17-19 and nitrate of 20 ppm or less.

I am looking at making a stock solution and dosing.

How much should I dose of each fertilizer? Taking into account the high nitrates my water has and the high stock of fish. And also i take it i wouldnt have to add gh booster or magnesium as my water is hard?
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post #2 of 4 (permalink) Old 01-28-2010, 01:14 PM
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10- 20 Gallon Aquariums
+/- 1/8 tsp KNO3 (N) 3x a week
+/- 1/32 tsp KH2PO4 (P) 3x a week
+/- 1/4 tsp GH booster once a week(water change only)
+/- 1/32 tsp (2ml) Trace Elements 3x a week
50% weekly water change


20-40 Gallon Aquariums
+/- tsp KN03 3x a week
+/- 1/16 tsp KH2P04 3x a week
+/- 1/2 tsp GH booster once a week(water change only)
+/- 1/16 tsp (5ml) Trace Elements 3x a week
50% weekly water change


40-60 Gallon Aquariums
+/- 1/2 tsp KN03 3x a week
+/- 1/8 tsp KH2P04 3x a week
+/- 3/4 tsp GH booster once a week(water change only)
+/- 1/8 (10ml) Trace Elements 3x a week
50% weekly water change


60 80 Gallon Aquariums
+/- 3/4 tsp KN03 3x a week
+/- 3/16 tsp KH2P04 3x a week
+/- 1 tsp once a week (water change only)
+/- tsp (15ml) Trace 3x a week
50% weekly water change


100 - 125 Gallon Aquarium
+/- 1 1/2 tsp KN03 3x a week
+/- tsp KH2P04 3x a week
+/- 1.25 tsp once a week(water change only)
+/- tsp (30ml) Trace 3x a week
50% weekly water change

Example Dosing Regime for 29 Gallon:
See attached file.

EI target ranges
CO2 range 25-35 ppm
NO3 range 10-30 ppm
K+ range 10-30 ppm
PO4 range 1.0-2.0 ppm
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post #3 of 4 (permalink) Old 01-28-2010, 01:46 PM Thread Starter
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Thanks for your reply do you know what the measurements are in grams for making a stock solution?
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post #4 of 4 (permalink) Old 01-28-2010, 03:28 PM
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If the tap is really 20ppm of NO3, (N-NO3, or just NO3?), then I'd cut the KNO3 by 1/2 or so.

Add K2SO4 in place and perhaps a little MgSO4, epsom salt in place of the Gh booster. So mix these two together and dose after a water change, say 1/10th MgSO4 and 9/10th's by volume K2SO4.

I'd suggest using Fe DTPA in conjunction with CMS+B for the dosing
Say 1/4 DTPA with 3/4CMS+B.

As far as a solution, the only "rule" is not mixing together Fe traces with KH2PO4, the PO4.

So say you want a solution that will last 2 weeks:

Add the total volumes listed for 2 weeks into a bottle and fill with 500mls or 1 liters, whatever amount you select. Then divide the mls by the 2 weeks, or whatever time frame you want to make, so 500mls/14 days in 2 weeks.

35mls per day etc.

This is just an example.

As far as a dosing of daily using a richer PMDD+PO4 method:

http://www.barrreport.com/showthread...tyle-EI-dosing

Should address most questions, you can also find conversions for table and teaspoons to grams.

Regards,
Tom Barr




Regards,
Tom Barr
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