Easiest way for me was keeping it planted. I had a two inch base on my eighty freshwater with a bumload of plants. Anachris, anubia nana, chilensis, bamboo, cabomba to name a few. All of the waste added from feeding quickly became nutrient for the plants as well as constant fish waste. I'd see some spikes but nothing near an unsafe range. I had two eight inch plecos and four ten inch dojo loaches sifting sand though. Good luck.