Estimative Index
Tom Barr's extremely effective method of dosing.

PMDD+PO4
Poor Man's Dupla Drops is the original home made fertilisation method by Paul Sears and Kevin Conlin. I have taken this formula and modified it to incorporate some phosphate. Best suited to tanks that don't have high lighting levels.

All In One Solution
My take on Tropica's All In One dosing solution.

Comparison of Traces
Comparing the various trace solutions and powders on the market.

Dosing Calculator
A simple calculator to work out the amounts of various chemicals that needed to make up dosing solutions.