Description: Rio 240L(63.4g) with internal filter removed and eheim 2236 external fitted and standard intake pipe with lily pipe return just below the water level to give a gentle ripple on the surface. Tropica substrate covered in black glass gravel. Pressurised c02 system using fire extinguisher running @ 1bps being diffused by a Spiro 9500 diffuser. Lighting = 2x40waquaglow & 2x40wdaylight. Total of 160w over 240L =2.5wpg
pH.6.6, ammonia.0, nitrite.0, nitrate.5, p04.0.
Advice: never give up if things go wrong. everything is fixable