1. Rotala Butterfly Support & Feedback Forum

   Support, Feedback, Translations

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   Latest: I Try To Understand Thrive Ferts Numbers Pierre-Luc Boily, Jul 28, 2018

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2. Planted Tank Nutrient Dosing Calculator

   EI - Estimative Index, EI daily, EI Low Light / Weekly, PPS Pro - Perpetual Preservation System, PMDD - Poor Man's Dosing / Dupla Drops, Dose to reach a target and Result of your dose.

3. Planted Tank Nutrient Accumulation Calculator

   Nutrient accumulation results, plant uptake over a period of time.

4. Planted Tank Light Calculator

   Calculate your PAR.. CF, LED (Cree), LED (EcoSmart), LED (BML), Metal Halide, Spriral CF (Horiz), Spriral CF (Vert), T-5 (HO), T-8 / T-5NO, T-12.

5. Planted Tank Co2 Calculator

   Based on the CO2/PH chart this calculator will assist you in finding your CO2 PPM.

6. Premix Fertilizer Submission Form

   If you have a premixed fertilizer that is not listed and would like it added to the calculator please complete this form and submit the information.

7. T5 Light Submission Form

   Submit your T5HO/T5NO/T8/T12 light PAR readings here.

8. L.E.D Light Submission Form

   Submit your L.E.D light PAR readings here.

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